diff --git a/package-lock.json b/package-lock.json
index e4e2854..665a4e2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "urbanriskmap-webapp",
-  "version": "2.1.4",
+  "version": "2.1.6",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -1174,19 +1174,19 @@
     "body-parser": {
       "version": "1.18.2",
       "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.18.2.tgz",
-      "integrity": "sha1-h2eKGdhLR9hZuDGZvVm84iKxBFQ=",
+      "integrity": "sha512-XIXhPptoLGNcvFyyOzjNXCjDYIbYj4iuXO0VU9lM0f3kYdG0ar5yg7C+pIc3OyoTlZXDu5ObpLTmS2Cgp89oDg==",
       "dev": true,
       "requires": {
         "bytes": "3.0.0",
-        "content-type": "1.0.4",
+        "content-type": "~1.0.4",
         "debug": "2.6.9",
-        "depd": "1.1.1",
-        "http-errors": "1.6.2",
+        "depd": "~1.1.1",
+        "http-errors": "~1.6.2",
         "iconv-lite": "0.4.19",
-        "on-finished": "2.3.0",
+        "on-finished": "~2.3.0",
         "qs": "6.5.1",
         "raw-body": "2.3.2",
-        "type-is": "1.6.15"
+        "type-is": "~1.6.15"
       },
       "dependencies": {
         "qs": {
@@ -2091,7 +2091,7 @@
     "corser": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/corser/-/corser-2.0.1.tgz",
-      "integrity": "sha1-jtolLsqrWEDc2XXOuQ2TcMgZ/4c=",
+      "integrity": "sha512-utCYNzRSQIZNPIcGZdQc92UVJYAhtGAteCFg0yRaFm8f0P+CPtyGyHXJcGXnffjCybUCEx3FQ2G7U3/o9eIkVQ==",
       "dev": true
     },
     "cosmiconfig": {
@@ -2690,15 +2690,15 @@
       }
     },
     "ecstatic": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/ecstatic/-/ecstatic-3.2.0.tgz",
-      "integrity": "sha512-Goilx/2cfU9vvfQjgtNgc2VmJAD8CasQ6rZDqCd2u4Hsyd/qFET6nBf60jiHodevR3nl3IGzNKtrzPXWP88utQ==",
+      "version": "3.3.2",
+      "resolved": "https://registry.npmjs.org/ecstatic/-/ecstatic-3.3.2.tgz",
+      "integrity": "sha512-fLf9l1hnwrHI2xn9mEDT7KIi22UDqA2jaCwyCbSUJh9a1V+LEUSL/JO/6TIz/QyuBURWUHrFL5Kg2TtO1bkkog==",
       "dev": true,
       "requires": {
-        "he": "1.1.1",
-        "mime": "1.6.0",
-        "minimist": "1.2.0",
-        "url-join": "2.0.5"
+        "he": "^1.1.1",
+        "mime": "^1.6.0",
+        "minimist": "^1.1.0",
+        "url-join": "^2.0.5"
       }
     },
     "ee-first": {
@@ -3255,72 +3255,72 @@
     "express": {
       "version": "4.16.3",
       "resolved": "https://registry.npmjs.org/express/-/express-4.16.3.tgz",
-      "integrity": "sha1-avilAjUNsyRuzEvs9rWjTSL37VM=",
+      "integrity": "sha512-CDaOBMB9knI6vx9SpIxEMOJ6VBbC2U/tYNILs0qv1YOZc15K9U2EcF06v10F0JX6IYcWnKYZJwIDJspEHLvUaQ==",
       "dev": true,
       "requires": {
-        "accepts": "1.3.5",
+        "accepts": "~1.3.5",
         "array-flatten": "1.1.1",
         "body-parser": "1.18.2",
         "content-disposition": "0.5.2",
-        "content-type": "1.0.4",
+        "content-type": "~1.0.4",
         "cookie": "0.3.1",
         "cookie-signature": "1.0.6",
         "debug": "2.6.9",
-        "depd": "1.1.2",
-        "encodeurl": "1.0.2",
-        "escape-html": "1.0.3",
-        "etag": "1.8.1",
+        "depd": "~1.1.2",
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "etag": "~1.8.1",
         "finalhandler": "1.1.1",
         "fresh": "0.5.2",
         "merge-descriptors": "1.0.1",
-        "methods": "1.1.2",
-        "on-finished": "2.3.0",
-        "parseurl": "1.3.2",
+        "methods": "~1.1.2",
+        "on-finished": "~2.3.0",
+        "parseurl": "~1.3.2",
         "path-to-regexp": "0.1.7",
-        "proxy-addr": "2.0.3",
+        "proxy-addr": "~2.0.3",
         "qs": "6.5.1",
-        "range-parser": "1.2.0",
+        "range-parser": "~1.2.0",
         "safe-buffer": "5.1.1",
         "send": "0.16.2",
         "serve-static": "1.13.2",
         "setprototypeof": "1.1.0",
-        "statuses": "1.4.0",
-        "type-is": "1.6.16",
+        "statuses": "~1.4.0",
+        "type-is": "~1.6.16",
         "utils-merge": "1.0.1",
-        "vary": "1.1.2"
+        "vary": "~1.1.2"
       },
       "dependencies": {
         "array-flatten": {
           "version": "1.1.1",
           "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
-          "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI=",
+          "integrity": "sha512-PCVAQswWemu6UdxsDFFX/+gVeYqKAod3D3UVm91jHwynguOwAvYPhx8nNlM++NqRcK6CxxpUafjmhIdKiHibqg==",
           "dev": true
         },
         "depd": {
           "version": "1.1.2",
           "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
-          "integrity": "sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak=",
+          "integrity": "sha512-7emPTl6Dpo6JRXOXjLRxck+FlLRX5847cLKEn00PLAgc3g2hTZZgr+e4c2v6QpSmLeFP3n5yUo7ft6avBK/5jQ==",
           "dev": true
         },
         "encodeurl": {
           "version": "1.0.2",
           "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
-          "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=",
+          "integrity": "sha512-TPJXq8JqFaVYm2CWmPvnP2Iyo4ZSM7/QKcSmuMLDObfpH5fi7RUGmd/rTDf+rut/saiDiQEeVTNgAmJEdAOx0w==",
           "dev": true
         },
         "mime-db": {
-          "version": "1.33.0",
-          "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.33.0.tgz",
-          "integrity": "sha512-BHJ/EKruNIqJf/QahvxwQZXKygOQ256myeN/Ew+THcAa5q+PjyTTMMeNQC4DZw5AwfvelsUrA6B67NKMqXDbzQ==",
+          "version": "1.52.0",
+          "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz",
+          "integrity": "sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg==",
           "dev": true
         },
         "mime-types": {
-          "version": "2.1.18",
-          "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.18.tgz",
-          "integrity": "sha512-lc/aahn+t4/SWV/qcmumYjymLsWfN3ELhpmVuUFjgsORruuZPVSwAQryq+HHGvO/SI2KVX26bx+En+zhM8g8hQ==",
+          "version": "2.1.35",
+          "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz",
+          "integrity": "sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==",
           "dev": true,
           "requires": {
-            "mime-db": "1.33.0"
+            "mime-db": "1.52.0"
           }
         },
         "qs": {
@@ -3342,13 +3342,13 @@
           "dev": true
         },
         "type-is": {
-          "version": "1.6.16",
-          "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.16.tgz",
-          "integrity": "sha512-HRkVv/5qY2G6I8iab9cI7v1bOIdhm94dVjQCPFElW9W+3GeDOSHmy2EBYe4VTApuzolPcmgFTN3ftVJRKR2J9Q==",
+          "version": "1.6.18",
+          "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
+          "integrity": "sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==",
           "dev": true,
           "requires": {
             "media-typer": "0.3.0",
-            "mime-types": "2.1.18"
+            "mime-types": "~2.1.24"
           }
         }
       }
@@ -4081,7 +4081,8 @@
           "version": "2.1.1",
           "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
           "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.1.1",
@@ -4140,7 +4141,8 @@
           "version": "0.4.2",
           "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-0.4.2.tgz",
           "integrity": "sha1-yz8+PHMtwPAe5wtAPzAuYddwmDg=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "bcrypt-pbkdf": {
           "version": "1.0.1",
@@ -4157,6 +4159,7 @@
           "resolved": "https://registry.npmjs.org/block-stream/-/block-stream-0.0.9.tgz",
           "integrity": "sha1-E+v+d4oDIFz+A3UUgeu0szAMEmo=",
           "dev": true,
+          "optional": true,
           "requires": {
             "inherits": "2.0.3"
           }
@@ -4166,6 +4169,7 @@
           "resolved": "https://registry.npmjs.org/boom/-/boom-2.10.1.tgz",
           "integrity": "sha1-OciRjO/1eZ+D+UkqhI9iWt0Mdm8=",
           "dev": true,
+          "optional": true,
           "requires": {
             "hoek": "2.16.3"
           }
@@ -4175,6 +4179,7 @@
           "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.7.tgz",
           "integrity": "sha1-Pv/DxQ4ABTH7cg6v+A8K6O8jz1k=",
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "0.4.2",
             "concat-map": "0.0.1"
@@ -4184,7 +4189,8 @@
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/buffer-shims/-/buffer-shims-1.0.0.tgz",
           "integrity": "sha1-mXjOMXOIxkmth5MCjDR37wRKi1E=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "caseless": {
           "version": "0.12.0",
@@ -4204,13 +4210,15 @@
           "version": "1.1.0",
           "resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
           "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "combined-stream": {
           "version": "1.0.5",
           "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.5.tgz",
           "integrity": "sha1-k4NwpXtKUd6ix3wV1cX9+JUWQAk=",
           "dev": true,
+          "optional": true,
           "requires": {
             "delayed-stream": "1.0.0"
           }
@@ -4219,25 +4227,29 @@
           "version": "0.0.1",
           "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
           "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "resolved": "https://registry.npmjs.org/console-control-strings/-/console-control-strings-1.1.0.tgz",
           "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
           "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
           "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "cryptiles": {
           "version": "2.0.5",
           "resolved": "https://registry.npmjs.org/cryptiles/-/cryptiles-2.0.5.tgz",
           "integrity": "sha1-O9/s3GCBR8HGcgL6KR59ylnqo7g=",
           "dev": true,
+          "optional": true,
           "requires": {
             "boom": "2.10.1"
           }
@@ -4282,7 +4294,8 @@
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
           "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "delegates": {
           "version": "1.0.0",
@@ -4319,7 +4332,8 @@
           "version": "1.0.2",
           "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.0.2.tgz",
           "integrity": "sha1-4QgOBljjALBilJkMxw4VAiNf1VA=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "forever-agent": {
           "version": "0.6.1",
@@ -4344,13 +4358,15 @@
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
           "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "fstream": {
           "version": "1.0.11",
           "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.11.tgz",
           "integrity": "sha1-XB+x8RdHcRTwYyoOtLcbPLD9MXE=",
           "dev": true,
+          "optional": true,
           "requires": {
             "graceful-fs": "4.1.11",
             "inherits": "2.0.3",
@@ -4411,6 +4427,7 @@
           "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.2.tgz",
           "integrity": "sha512-MJTUg1kjuLeQCJ+ccE4Vpa6kKVXkPYJ2mOCQyUuKLcLQsdrMCpBPUi8qVE6+YuaJkozeA9NusTAw3hLr8Xe5EQ==",
           "dev": true,
+          "optional": true,
           "requires": {
             "fs.realpath": "1.0.0",
             "inflight": "1.0.6",
@@ -4424,7 +4441,8 @@
           "version": "4.1.11",
           "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.1.11.tgz",
           "integrity": "sha1-Dovf5NHduIVNZOBOp8AOKgJuVlg=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "har-schema": {
           "version": "1.0.5",
@@ -4456,6 +4474,7 @@
           "resolved": "https://registry.npmjs.org/hawk/-/hawk-3.1.3.tgz",
           "integrity": "sha1-B4REvXwWQLD+VA0sm3PVlnjo4cQ=",
           "dev": true,
+          "optional": true,
           "requires": {
             "boom": "2.10.1",
             "cryptiles": "2.0.5",
@@ -4467,7 +4486,8 @@
           "version": "2.16.3",
           "resolved": "https://registry.npmjs.org/hoek/-/hoek-2.16.3.tgz",
           "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "http-signature": {
           "version": "1.1.1",
@@ -4486,6 +4506,7 @@
           "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
           "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
           "dev": true,
+          "optional": true,
           "requires": {
             "once": "1.4.0",
             "wrappy": "1.0.2"
@@ -4495,7 +4516,8 @@
           "version": "2.0.3",
           "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
           "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.4",
@@ -4509,6 +4531,7 @@
           "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
           "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "1.0.1"
           }
@@ -4524,7 +4547,8 @@
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
           "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "isstream": {
           "version": "0.1.2",
@@ -4607,13 +4631,15 @@
           "version": "1.27.0",
           "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.27.0.tgz",
           "integrity": "sha1-gg9XIpa70g7CXtVeW13oaeVDbrE=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "mime-types": {
           "version": "2.1.15",
           "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.15.tgz",
           "integrity": "sha1-pOv1BkCUVpI3uM9wBGd20J/JKu0=",
           "dev": true,
+          "optional": true,
           "requires": {
             "mime-db": "1.27.0"
           }
@@ -4623,6 +4649,7 @@
           "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
           "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "1.1.7"
           }
@@ -4631,13 +4658,15 @@
           "version": "0.0.8",
           "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
           "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "mkdirp": {
           "version": "0.5.1",
           "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
           "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -4697,7 +4726,8 @@
           "version": "1.0.1",
           "resolved": "https://registry.npmjs.org/number-is-nan/-/number-is-nan-1.0.1.tgz",
           "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "oauth-sign": {
           "version": "0.8.2",
@@ -4718,6 +4748,7 @@
           "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
           "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1.0.2"
           }
@@ -4751,7 +4782,8 @@
           "version": "1.0.1",
           "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
           "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "performance-now": {
           "version": "0.2.0",
@@ -4764,7 +4796,8 @@
           "version": "1.0.7",
           "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-1.0.7.tgz",
           "integrity": "sha1-FQ4gt1ZZCtP5EJPyWk8q2L/zC6M=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "punycode": {
           "version": "1.4.1",
@@ -4773,13 +4806,6 @@
           "dev": true,
           "optional": true
         },
-        "qs": {
-          "version": "6.4.0",
-          "resolved": "https://registry.npmjs.org/qs/-/qs-6.4.0.tgz",
-          "integrity": "sha1-E+JtKK1rD/qpExLNO/cI7TUecjM=",
-          "dev": true,
-          "optional": true
-        },
         "rc": {
           "version": "1.2.1",
           "resolved": "https://registry.npmjs.org/rc/-/rc-1.2.1.tgz",
@@ -4807,6 +4833,7 @@
           "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.2.9.tgz",
           "integrity": "sha1-z3jsb0ptHrQ9JkiMrJfwQudLf8g=",
           "dev": true,
+          "optional": true,
           "requires": {
             "buffer-shims": "1.0.0",
             "core-util-is": "1.0.2",
@@ -4853,6 +4880,7 @@
           "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.1.tgz",
           "integrity": "sha1-wjOOxkPfeht/5cVPqG9XQopV8z0=",
           "dev": true,
+          "optional": true,
           "requires": {
             "glob": "7.1.2"
           }
@@ -4861,7 +4889,8 @@
           "version": "5.0.1",
           "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.0.1.tgz",
           "integrity": "sha1-0mPKVGls2KMGtcplUekt5XkY++c=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "semver": {
           "version": "5.3.0",
@@ -4889,6 +4918,7 @@
           "resolved": "https://registry.npmjs.org/sntp/-/sntp-1.0.9.tgz",
           "integrity": "sha1-ZUEYTMkK7qbG57NeJlkIJEPGYZg=",
           "dev": true,
+          "optional": true,
           "requires": {
             "hoek": "2.16.3"
           }
@@ -4925,6 +4955,7 @@
           "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
           "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "1.1.0",
             "is-fullwidth-code-point": "1.0.0",
@@ -4936,6 +4967,7 @@
           "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.1.tgz",
           "integrity": "sha1-YuIA8DmVWmgQ2N8KM//A8BNmLZg=",
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "5.0.1"
           }
@@ -4952,6 +4984,7 @@
           "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "2.1.1"
           }
@@ -4968,6 +5001,7 @@
           "resolved": "https://registry.npmjs.org/tar/-/tar-2.2.1.tgz",
           "integrity": "sha1-jk0qJWwOIYXGsYrWlK7JaLg8sdE=",
           "dev": true,
+          "optional": true,
           "requires": {
             "block-stream": "0.0.9",
             "fstream": "1.0.11",
@@ -5029,7 +5063,8 @@
           "version": "1.0.2",
           "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
           "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "uuid": {
           "version": "3.0.1",
@@ -5062,7 +5097,8 @@
           "version": "1.0.2",
           "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
           "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -6152,25 +6188,25 @@
       }
     },
     "http-server": {
-      "version": "0.11.1",
-      "resolved": "https://registry.npmjs.org/http-server/-/http-server-0.11.1.tgz",
-      "integrity": "sha512-6JeGDGoujJLmhjiRGlt8yK8Z9Kl0vnl/dQoQZlc4oeqaUoAKQg94NILLfrY3oWzSyFaQCVNTcKE5PZ3cH8VP9w==",
+      "version": "0.11.2",
+      "resolved": "https://registry.npmjs.org/http-server/-/http-server-0.11.2.tgz",
+      "integrity": "sha512-Gp1ka7W4MLjFz8CLhFmUWa+uIf7cq93O4DZv8X0ZmNS1L4P2dbMkmlBeYhb0hGaI3M0Y1xM4waWgnIf/5Hp7dQ==",
       "dev": true,
       "requires": {
         "colors": "1.0.3",
-        "corser": "2.0.1",
-        "ecstatic": "3.2.0",
-        "http-proxy": "1.17.0",
-        "opener": "1.4.3",
-        "optimist": "0.6.1",
-        "portfinder": "1.0.13",
-        "union": "0.4.6"
+        "corser": "~2.0.0",
+        "ecstatic": "^3.0.0",
+        "http-proxy": "^1.8.1",
+        "opener": "~1.4.0",
+        "optimist": "0.6.x",
+        "portfinder": "^1.0.13",
+        "union": "^0.5.0"
       },
       "dependencies": {
         "colors": {
           "version": "1.0.3",
           "resolved": "https://registry.npmjs.org/colors/-/colors-1.0.3.tgz",
-          "integrity": "sha1-BDP0TYCWgP3rYO0mDxsMJi6CpAs=",
+          "integrity": "sha512-pFGrxThWcWQ2MsAz6RtgeWe4NK2kUE1WfsrvvlctdII745EW9I0yflqhe7++M5LEc7bV2c/9/5zc8sFcpL0Drw==",
           "dev": true
         }
       }
@@ -7185,12 +7221,6 @@
           "integrity": "sha1-M+8wxcd9TqIcWlOGnZG1bY8lVeU=",
           "optional": true
         },
-        "qs": {
-          "version": "6.4.0",
-          "resolved": "https://registry.npmjs.org/qs/-/qs-6.4.0.tgz",
-          "integrity": "sha1-E+JtKK1rD/qpExLNO/cI7TUecjM=",
-          "optional": true
-        },
         "request": {
           "version": "2.81.0",
           "resolved": "https://registry.npmjs.org/request/-/request-2.81.0.tgz",
@@ -8132,11 +8162,6 @@
           "resolved": "https://registry.npmjs.org/performance-now/-/performance-now-0.2.0.tgz",
           "integrity": "sha1-M+8wxcd9TqIcWlOGnZG1bY8lVeU="
         },
-        "qs": {
-          "version": "6.4.0",
-          "resolved": "https://registry.npmjs.org/qs/-/qs-6.4.0.tgz",
-          "integrity": "sha1-E+JtKK1rD/qpExLNO/cI7TUecjM="
-        },
         "request": {
           "version": "2.81.0",
           "resolved": "https://registry.npmjs.org/request/-/request-2.81.0.tgz",
@@ -8277,7 +8302,7 @@
         "qs": {
           "version": "6.3.2",
           "resolved": "https://registry.npmjs.org/qs/-/qs-6.3.2.tgz",
-          "integrity": "sha1-51vV9uJoEioqDgvaYwslUMFmUCw="
+          "integrity": "sha512-H7Es34wXu+JjuD3QLwVgqtVU1nisFhwxYdYCYSFzWyP5/S4s8DtJ6rbVWdHVat/UPYiV36wxYmL7rPbLQJrX7g=="
         },
         "request": {
           "version": "2.79.0",
@@ -9482,10 +9507,9 @@
       "dev": true
     },
     "qs": {
-      "version": "6.5.2",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.2.tgz",
-      "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA==",
-      "dev": true
+      "version": "6.4.0",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.4.0.tgz",
+      "integrity": "sha512-Qs6dfgR5OksK/PSxl1kGxiZgEQe8RqJMB9wZqVlKQfU+zzV+HY77pWJnoJENACKDQByWdpr8ZPIh1TBi4lpiSQ=="
     },
     "querystring": {
       "version": "0.2.0",
@@ -9973,6 +9997,12 @@
             "jsprim": "1.4.1",
             "sshpk": "1.14.2"
           }
+        },
+        "qs": {
+          "version": "6.5.2",
+          "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.2.tgz",
+          "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA==",
+          "dev": true
         }
       }
     },
@@ -11918,20 +11948,12 @@
       "dev": true
     },
     "union": {
-      "version": "0.4.6",
-      "resolved": "https://registry.npmjs.org/union/-/union-0.4.6.tgz",
-      "integrity": "sha1-GY+9rrolTniLDvy2MLwR8kopWeA=",
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/union/-/union-0.5.0.tgz",
+      "integrity": "sha512-N6uOhuW6zO95P3Mel2I2zMsbsanvvtgn6jVqJv4vbVcz/JN0OkL9suomjQGmWtxJQXOCqUJvquc1sMeNz/IwlA==",
       "dev": true,
       "requires": {
-        "qs": "2.3.3"
-      },
-      "dependencies": {
-        "qs": {
-          "version": "2.3.3",
-          "resolved": "https://registry.npmjs.org/qs/-/qs-2.3.3.tgz",
-          "integrity": "sha1-6eha2+ddoLvkyOBHaghikPhjtAQ=",
-          "dev": true
-        }
+        "qs": "^6.4.0"
       }
     },
     "union-value": {
@@ -12092,7 +12114,7 @@
     "url-join": {
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/url-join/-/url-join-2.0.5.tgz",
-      "integrity": "sha1-WvIvGMBSoACkjXuCxenC4v7tpyg=",
+      "integrity": "sha512-c2H1fIgpUdwFRIru9HFno5DT73Ok8hg5oOb5AT3ayIgvCRfxgs2jyt5Slw8kEB7j3QUr6yJmMPDT/odjk7jXow==",
       "dev": true
     },
     "url-loader": {
diff --git a/package.json b/package.json
index 95728f9..23cf41e 100644
--- a/package.json
+++ b/package.json
@@ -71,7 +71,7 @@
     "gulp": "~3.9.1",
     "gulp-changed-in-place": "^2.3.0",
     "gulp-typedoc": "^2.2.0",
-    "http-server": "^0.11.1",
+    "http-server": "^0.11.2",
     "jasmine-core": "~2.6.2",
     "jasmine-spec-reporter": "~4.1.0",
     "karma": "~1.7.0",