diff --git a/Dockerfile b/Dockerfile
index a757602..1a22960 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,13 +2,12 @@ FROM mhart/alpine-node:latest
 
 LABEL description "Run Google Chrome's Lighthouse Audit in the background"
 
-LABEL version "1.0.1"
+LABEL version="1.0.3"
 
-LABEL author "Matthias Winkelmann <m@matthi.coffee>"
-LABEL org.label-schema.vcs-url "https://github.com/MatthiasWinkelmann/lighthouse-chromium-alpine-docker"
-LABEL org.label-schema.uri "https://matthi.coffee"
-LABEL org.label-schema.usage "/README.md"
-LABEL org.label-schema.schema-version "1.0"
+LABEL author="Matthias Winkelmann <m@matthi.coffee>"
+LABEL coffee.matthi.vcs-url="https://github.com/MatthiasWinkelmann/lighthouse-chromium-alpine-docker"
+LABEL coffee.matthi.uri="https://matthi.coffee"
+LABEL coffee.matthi.usage="/README.md"
 
 WORKDIR /lighthouse
 
@@ -23,6 +22,7 @@ RUN echo "http://dl-2.alpinelinux.org/alpine/edge/main" > /etc/apk/repositories
 #-----------------
 RUN apk -U --no-cache upgrade && \
     apk --no-cache add xvfb\
+        openrc\
         dbus-x11\
         libx11\
         xorg-server\
@@ -46,6 +46,7 @@ ENV GEOMETRY "$SCREEN_WIDTH""x""$SCREEN_HEIGHT""x""$SCREEN_DEPTH"
 RUN echo $TZ > /etc/timezone
 
 ADD lighthouse-chromium-xvfb.sh .
+ADD test.sh .
 RUN npm --global install yarn && yarn global add lighthouse
 RUN mkdir output
 
@@ -62,5 +63,8 @@ RUN rm -rf /var/lib/apt/lists/* \
     /usr/lib/node_modules/npm/html \
     /usr/lib/node_modules/npm/scripts
 
-
+# Alpine's grep is a BusyBox binary which doesn't provide
+# the -R (recursive, following symlinks) switch.
+#ADD grep ./grep
+# RUN alias grep=/lighthouse/grep
 ENTRYPOINT ["/lighthouse/lighthouse-chromium-xvfb.sh"]
diff --git a/README.md b/README.md
index 2e9bb0c..496bfb1 100644
--- a/README.md
+++ b/README.md
@@ -16,3 +16,9 @@ Processes within the container cannot easily access the host's file system. You
 ```shell
  run -v  ./output/:/lighthouse/output/ lighthouse-chromium-alpine-docker --output-path=/lighthouse/output/results.html --save-assets --save-artifacts --output=html https://google.com
 ```
+
+Run the tesT:
+
+```shell
+docker run -it --rm --entrypoint=sh lighthouse test.sh
+```
diff --git a/grep b/grep
new file mode 100755
index 0000000..be5104e
--- /dev/null
+++ b/grep
@@ -0,0 +1 @@
+eval $(echo "/bin/grep $@" | sed -e "s/\-ER /\-Er /")
diff --git a/lighthouse-chromium-xvfb.sh b/lighthouse-chromium-xvfb.sh
index 630a01d..460f47b 100755
--- a/lighthouse-chromium-xvfb.sh
+++ b/lighthouse-chromium-xvfb.sh
@@ -13,17 +13,23 @@ XVFB_WHD=${XVFB_WHD:-1280x720x16}
 
 export DISPLAY=:99
 
+
 # Start Xvfb
-Xvfb :99 -ac -screen 0 $XVFB_WHD -nolisten tcp &
+dbus-run-session -- Xvfb :99 -ac -screen 0 $XVFB_WHD -nolisten tcp &
 
 xvfb=$!
 
+while [  1 -gt $xvfb  ]; do echo "waiting for Xvfb to start: $xvfb"; sleep 1; done
 
+echo "xvfb started"
 
 
-/usr/bin/chromium-browser --no-sandbox --user-data-dir=$TMP_PROFILE_DIR --start-maximized --no-first-run --remote-debugging-port=9222 "about:blank" &
+dbus-run-session -- /usr/bin/chromium-browser --no-sandbox --user-data-dir=$TMP_PROFILE_DIR --start-maximized --no-first-run --remote-debugging-port=9222 "about:blank" &
 
 chromium=$!
 
-echo $@
-lighthouse $@
+while [ 1 -gt $chromium ]; do echo "waiting for chromium to start"; sleep 1; done
+
+echo "chromium started"
+
+lighthouse --port=9222 --disable-webgl --skip-autolaunch --disable-cpu-throttling=true $@
diff --git a/lighthouse.test.yml b/lighthouse.test.yml
new file mode 100644
index 0000000..e1aef22
--- /dev/null
+++ b/lighthouse.test.yml
@@ -0,0 +1,3 @@
+sut:
+   build: .
+   command: /lighthouse/test.sh
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..c03eb23
--- /dev/null
+++ b/package.json
@@ -0,0 +1,5 @@
+{
+  "dependencies": {
+    "lighthouse": "^1.6.0"
+  }
+}
diff --git a/test.sh b/test.sh
new file mode 100755
index 0000000..9827ffb
--- /dev/null
+++ b/test.sh
@@ -0,0 +1,4 @@
+#!/bin/sh
+
+/bin/sh -c "./lighthouse-chromium-xvfb.sh --output-path=/tmp/test-report.html https://matthi.coffee"
+grep -q "Best Practices" /tmp/test-report*
diff --git a/yarn.lock b/yarn.lock
new file mode 100644
index 0000000..5e63e72
--- /dev/null
+++ b/yarn.lock
@@ -0,0 +1,599 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+align-text@^0.1.1, align-text@^0.1.3:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/align-text/-/align-text-0.1.4.tgz#0cd90a561093f35d0a99256c22b7069433fad117"
+  dependencies:
+    kind-of "^3.0.2"
+    longest "^1.0.1"
+    repeat-string "^1.5.2"
+
+amdefine@>=0.0.4:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/amdefine/-/amdefine-1.0.1.tgz#4a5282ac164729e93619bcfd3ad151f817ce91f5"
+
+ansi-regex@^2.0.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-2.1.1.tgz#c3b33ab5ee360d86e0e628f0468ae7ef27d654df"
+
+array-find-index@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/array-find-index/-/array-find-index-1.0.2.tgz#df010aa1287e164bbda6f9723b0a96a1ec4187a1"
+
+async@^1.4.0:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
+
+axe-core@2.1.7:
+  version "2.1.7"
+  resolved "https://registry.yarnpkg.com/axe-core/-/axe-core-2.1.7.tgz#4f66f2b3ee3b58ec2d3db4339dd124c5b33b79c3"
+
+babar@0.0.3:
+  version "0.0.3"
+  resolved "https://registry.yarnpkg.com/babar/-/babar-0.0.3.tgz#2f394d4a5918f7e1ae9e5408e9a96f3f935ee1e2"
+  dependencies:
+    colors "~0.6.2"
+
+builtin-modules@^1.0.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
+
+camelcase-keys@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/camelcase-keys/-/camelcase-keys-2.1.0.tgz#308beeaffdf28119051efa1d932213c91b8f92e7"
+  dependencies:
+    camelcase "^2.0.0"
+    map-obj "^1.0.0"
+
+camelcase@^1.0.2:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-1.2.1.tgz#9bb5304d2e0b56698b2c758b08a3eaa9daa58a39"
+
+camelcase@^2.0.0, camelcase@^2.0.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-2.1.1.tgz#7c1d16d679a1bbe59ca02cacecfb011e201f5a1f"
+
+center-align@^0.1.1:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/center-align/-/center-align-0.1.3.tgz#aa0d32629b6ee972200411cbd4461c907bc2b7ad"
+  dependencies:
+    align-text "^0.1.3"
+    lazy-cache "^1.0.3"
+
+chrome-devtools-frontend@1.0.401423:
+  version "1.0.401423"
+  resolved "https://registry.yarnpkg.com/chrome-devtools-frontend/-/chrome-devtools-frontend-1.0.401423.tgz#32a89b8d04e378a494be3c8d63271703be1c04ea"
+
+chrome-devtools-frontend@1.0.422034:
+  version "1.0.422034"
+  resolved "https://registry.yarnpkg.com/chrome-devtools-frontend/-/chrome-devtools-frontend-1.0.422034.tgz#071c8ce14466b7653032fcd1ad1a4a68d5e3cbd9"
+
+cliui@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-2.1.0.tgz#4b475760ff80264c762c3a1719032e91c7fea0d1"
+  dependencies:
+    center-align "^0.1.1"
+    right-align "^0.1.1"
+    wordwrap "0.0.2"
+
+cliui@^3.0.3:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-3.2.0.tgz#120601537a916d29940f934da3b48d585a39213d"
+  dependencies:
+    string-width "^1.0.1"
+    strip-ansi "^3.0.1"
+    wrap-ansi "^2.0.0"
+
+code-point-at@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
+
+colors@~0.6.2:
+  version "0.6.2"
+  resolved "https://registry.yarnpkg.com/colors/-/colors-0.6.2.tgz#2423fe6678ac0c5dae8852e5d0e5be08c997abcc"
+
+currently-unhandled@^0.4.1:
+  version "0.4.1"
+  resolved "https://registry.yarnpkg.com/currently-unhandled/-/currently-unhandled-0.4.1.tgz#988df33feab191ef799a61369dd76c17adf957ea"
+  dependencies:
+    array-find-index "^1.0.1"
+
+debug@2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.2.0.tgz#f87057e995b1a1f6ae6a4960664137bc56f039da"
+  dependencies:
+    ms "0.7.1"
+
+decamelize@^1.0.0, decamelize@^1.1.1, decamelize@^1.1.2:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
+
+devtools-timeline-model@1.1.6:
+  version "1.1.6"
+  resolved "https://registry.yarnpkg.com/devtools-timeline-model/-/devtools-timeline-model-1.1.6.tgz#7be51a73b55d727b597bb30dd1ed2e8e210639a5"
+  dependencies:
+    chrome-devtools-frontend "1.0.401423"
+    resolve "1.1.7"
+
+error-ex@^1.2.0:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/error-ex/-/error-ex-1.3.1.tgz#f855a86ce61adc4e8621c3cda21e7a7612c3a8dc"
+  dependencies:
+    is-arrayish "^0.2.1"
+
+find-up@^1.0.0:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-1.1.2.tgz#6b2e9822b1a2ce0a60ab64d610eccad53cb24d0f"
+  dependencies:
+    path-exists "^2.0.0"
+    pinkie-promise "^2.0.0"
+
+get-stdin@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-4.0.1.tgz#b968c6b0a04384324902e8bf1a5df32579a450fe"
+
+gl-matrix@2.3.2:
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/gl-matrix/-/gl-matrix-2.3.2.tgz#aac808c74af7d5db05fe04cb60ca1a0fcb174d74"
+
+graceful-fs@^4.1.2:
+  version "4.1.11"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
+
+handlebars@4.0.5:
+  version "4.0.5"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.0.5.tgz#92c6ed6bb164110c50d4d8d0fbddc70806c6f8e7"
+  dependencies:
+    async "^1.4.0"
+    optimist "^0.6.1"
+    source-map "^0.4.4"
+  optionalDependencies:
+    uglify-js "^2.6"
+
+hosted-git-info@^2.1.4:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.2.0.tgz#7a0d097863d886c0fabbdcd37bf1758d8becf8a5"
+
+image-ssim@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/image-ssim/-/image-ssim-0.2.0.tgz#83b42c7a2e6e4b85505477fe6917f5dbc56420e5"
+
+indent-string@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/indent-string/-/indent-string-2.1.0.tgz#8e2d48348742121b4a8218b7a137e9a52049dc80"
+  dependencies:
+    repeating "^2.0.0"
+
+invert-kv@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/invert-kv/-/invert-kv-1.0.0.tgz#104a8e4aaca6d3d8cd157a8ef8bfab2d7a3ffdb6"
+
+is-arrayish@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.2.1.tgz#77c99840527aa8ecb1a8ba697b80645a7a926a9d"
+
+is-buffer@^1.0.2:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.4.tgz#cfc86ccd5dc5a52fa80489111c6920c457e2d98b"
+
+is-builtin-module@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-builtin-module/-/is-builtin-module-1.0.0.tgz#540572d34f7ac3119f8f76c30cbc1b1e037affbe"
+  dependencies:
+    builtin-modules "^1.0.0"
+
+is-finite@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/is-finite/-/is-finite-1.0.2.tgz#cc6677695602be550ef11e8b4aa6305342b6d0aa"
+  dependencies:
+    number-is-nan "^1.0.0"
+
+is-fullwidth-code-point@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz#ef9e31386f031a7f0d643af82fde50c457ef00cb"
+  dependencies:
+    number-is-nan "^1.0.0"
+
+is-utf8@^0.2.0:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/is-utf8/-/is-utf8-0.2.1.tgz#4b0da1442104d1b336340e80797e865cf39f7d72"
+
+jpeg-js@^0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/jpeg-js/-/jpeg-js-0.1.2.tgz#135b992c0575c985cfa0f494a3227ed238583ece"
+
+json-stringify-safe@5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz#1296a2d58fd45f19a0f6ce01d65701e2c735b6eb"
+
+kind-of@^3.0.2:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-3.1.0.tgz#475d698a5e49ff5e53d14e3e732429dc8bf4cf47"
+  dependencies:
+    is-buffer "^1.0.2"
+
+lazy-cache@^1.0.3:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/lazy-cache/-/lazy-cache-1.0.4.tgz#a1d78fc3a50474cb80845d3b3b6e1da49a446e8e"
+
+lcid@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/lcid/-/lcid-1.0.0.tgz#308accafa0bc483a3867b4b6f2b9506251d1b835"
+  dependencies:
+    invert-kv "^1.0.0"
+
+lighthouse@^1.6.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/lighthouse/-/lighthouse-1.6.0.tgz#dbecd6c3b08ab8610f3f41dec548236372c311f6"
+  dependencies:
+    axe-core "2.1.7"
+    chrome-devtools-frontend "1.0.422034"
+    debug "2.2.0"
+    devtools-timeline-model "1.1.6"
+    gl-matrix "2.3.2"
+    handlebars "4.0.5"
+    json-stringify-safe "5.0.1"
+    marked "0.3.6"
+    metaviewport-parser "0.0.1"
+    mkdirp "0.5.1"
+    opn "4.0.2"
+    rimraf "2.2.8"
+    semver "5.3.0"
+    speedline "1.0.3"
+    whatwg-url "4.0.0"
+    ws "1.1.1"
+    yargs "3.32.0"
+
+load-json-file@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-1.1.0.tgz#956905708d58b4bab4c2261b04f59f31c99374c0"
+  dependencies:
+    graceful-fs "^4.1.2"
+    parse-json "^2.2.0"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+    strip-bom "^2.0.0"
+
+longest@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/longest/-/longest-1.0.1.tgz#30a0b2da38f73770e8294a0d22e6625ed77d0097"
+
+loud-rejection@^1.0.0, loud-rejection@^1.3.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/loud-rejection/-/loud-rejection-1.6.0.tgz#5b46f80147edee578870f086d04821cf998e551f"
+  dependencies:
+    currently-unhandled "^0.4.1"
+    signal-exit "^3.0.0"
+
+map-obj@^1.0.0, map-obj@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/map-obj/-/map-obj-1.0.1.tgz#d933ceb9205d82bdcf4886f6742bdc2b4dea146d"
+
+marked@0.3.6:
+  version "0.3.6"
+  resolved "https://registry.yarnpkg.com/marked/-/marked-0.3.6.tgz#b2c6c618fccece4ef86c4fc6cb8a7cbf5aeda8d7"
+
+meow@^3.7.0:
+  version "3.7.0"
+  resolved "https://registry.yarnpkg.com/meow/-/meow-3.7.0.tgz#72cb668b425228290abbfa856892587308a801fb"
+  dependencies:
+    camelcase-keys "^2.0.0"
+    decamelize "^1.1.2"
+    loud-rejection "^1.0.0"
+    map-obj "^1.0.1"
+    minimist "^1.1.3"
+    normalize-package-data "^2.3.4"
+    object-assign "^4.0.1"
+    read-pkg-up "^1.0.1"
+    redent "^1.0.0"
+    trim-newlines "^1.0.0"
+
+metaviewport-parser@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/metaviewport-parser/-/metaviewport-parser-0.0.1.tgz#9b28179659b76ff9d21de84ae25583257909b206"
+
+minimist@0.0.8, minimist@~0.0.1:
+  version "0.0.8"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
+
+minimist@^1.1.3:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
+
+mkdirp@0.5.1:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
+  dependencies:
+    minimist "0.0.8"
+
+ms@0.7.1:
+  version "0.7.1"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-0.7.1.tgz#9cd13c03adbff25b65effde7ce864ee952017098"
+
+normalize-package-data@^2.3.2, normalize-package-data@^2.3.4:
+  version "2.3.5"
+  resolved "https://registry.yarnpkg.com/normalize-package-data/-/normalize-package-data-2.3.5.tgz#8d924f142960e1777e7ffe170543631cc7cb02df"
+  dependencies:
+    hosted-git-info "^2.1.4"
+    is-builtin-module "^1.0.0"
+    semver "2 || 3 || 4 || 5"
+    validate-npm-package-license "^3.0.1"
+
+number-is-nan@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/number-is-nan/-/number-is-nan-1.0.1.tgz#097b602b53422a522c1afb8790318336941a011d"
+
+object-assign@^4.0.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
+
+opn@4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/opn/-/opn-4.0.2.tgz#7abc22e644dff63b0a96d5ab7f2790c0f01abc95"
+  dependencies:
+    object-assign "^4.0.1"
+    pinkie-promise "^2.0.0"
+
+optimist@^0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/optimist/-/optimist-0.6.1.tgz#da3ea74686fa21a19a111c326e90eb15a0196686"
+  dependencies:
+    minimist "~0.0.1"
+    wordwrap "~0.0.2"
+
+options@>=0.0.5:
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/options/-/options-0.0.6.tgz#ec22d312806bb53e731773e7cdaefcf1c643128f"
+
+os-locale@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/os-locale/-/os-locale-1.4.0.tgz#20f9f17ae29ed345e8bde583b13d2009803c14d9"
+  dependencies:
+    lcid "^1.0.0"
+
+parse-json@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/parse-json/-/parse-json-2.2.0.tgz#f480f40434ef80741f8469099f8dea18f55a4dc9"
+  dependencies:
+    error-ex "^1.2.0"
+
+path-exists@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-2.1.0.tgz#0feb6c64f0fc518d9a754dd5efb62c7022761f4b"
+  dependencies:
+    pinkie-promise "^2.0.0"
+
+path-type@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/path-type/-/path-type-1.1.0.tgz#59c44f7ee491da704da415da5a4070ba4f8fe441"
+  dependencies:
+    graceful-fs "^4.1.2"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+
+pify@^2.0.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/pify/-/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
+
+pinkie-promise@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/pinkie-promise/-/pinkie-promise-2.0.1.tgz#2135d6dfa7a358c069ac9b178776288228450ffa"
+  dependencies:
+    pinkie "^2.0.0"
+
+pinkie@^2.0.0:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/pinkie/-/pinkie-2.0.4.tgz#72556b80cfa0d48a974e80e77248e80ed4f7f870"
+
+read-pkg-up@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-1.0.1.tgz#9d63c13276c065918d57f002a57f40a1b643fb02"
+  dependencies:
+    find-up "^1.0.0"
+    read-pkg "^1.0.0"
+
+read-pkg@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-1.1.0.tgz#f5ffaa5ecd29cb31c0474bca7d756b6bb29e3f28"
+  dependencies:
+    load-json-file "^1.0.0"
+    normalize-package-data "^2.3.2"
+    path-type "^1.0.0"
+
+redent@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/redent/-/redent-1.0.0.tgz#cf916ab1fd5f1f16dfb20822dd6ec7f730c2afde"
+  dependencies:
+    indent-string "^2.1.0"
+    strip-indent "^1.0.1"
+
+repeat-string@^1.5.2:
+  version "1.6.1"
+  resolved "https://registry.yarnpkg.com/repeat-string/-/repeat-string-1.6.1.tgz#8dcae470e1c88abc2d600fff4a776286da75e637"
+
+repeating@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/repeating/-/repeating-2.0.1.tgz#5214c53a926d3552707527fbab415dbc08d06dda"
+  dependencies:
+    is-finite "^1.0.0"
+
+resolve@1.1.7:
+  version "1.1.7"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.1.7.tgz#203114d82ad2c5ed9e8e0411b3932875e889e97b"
+
+right-align@^0.1.1:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/right-align/-/right-align-0.1.3.tgz#61339b722fe6a3515689210d24e14c96148613ef"
+  dependencies:
+    align-text "^0.1.1"
+
+rimraf@2.2.8:
+  version "2.2.8"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.2.8.tgz#e439be2aaee327321952730f99a8929e4fc50582"
+
+"semver@2 || 3 || 4 || 5", semver@5.3.0:
+  version "5.3.0"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.3.0.tgz#9b2ce5d3de02d17c6012ad326aa6b4d0cf54f94f"
+
+signal-exit@^3.0.0:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
+
+source-map@^0.4.4:
+  version "0.4.4"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.4.4.tgz#eba4f5da9c0dc999de68032d8b4f76173652036b"
+  dependencies:
+    amdefine ">=0.0.4"
+
+source-map@~0.5.1:
+  version "0.5.6"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.6.tgz#75ce38f52bf0733c5a7f0c118d81334a2bb5f412"
+
+spdx-correct@~1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/spdx-correct/-/spdx-correct-1.0.2.tgz#4b3073d933ff51f3912f03ac5519498a4150db40"
+  dependencies:
+    spdx-license-ids "^1.0.2"
+
+spdx-expression-parse@~1.0.0:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/spdx-expression-parse/-/spdx-expression-parse-1.0.4.tgz#9bdf2f20e1f40ed447fbe273266191fced51626c"
+
+spdx-license-ids@^1.0.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/spdx-license-ids/-/spdx-license-ids-1.2.2.tgz#c9df7a3424594ade6bd11900d596696dc06bac57"
+
+speedline@1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/speedline/-/speedline-1.0.3.tgz#ee1d98c18d583a2d8488aaded2db9334b943dbbd"
+  dependencies:
+    babar "0.0.3"
+    image-ssim "^0.2.0"
+    jpeg-js "^0.1.2"
+    loud-rejection "^1.3.0"
+    meow "^3.7.0"
+
+string-width@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-1.0.2.tgz#118bdf5b8cdc51a2a7e70d211e07e2b0b9b107d3"
+  dependencies:
+    code-point-at "^1.0.0"
+    is-fullwidth-code-point "^1.0.0"
+    strip-ansi "^3.0.0"
+
+strip-ansi@^3.0.0, strip-ansi@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-3.0.1.tgz#6a385fb8853d952d5ff05d0e8aaf94278dc63dcf"
+  dependencies:
+    ansi-regex "^2.0.0"
+
+strip-bom@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-2.0.0.tgz#6219a85616520491f35788bdbf1447a99c7e6b0e"
+  dependencies:
+    is-utf8 "^0.2.0"
+
+strip-indent@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/strip-indent/-/strip-indent-1.0.1.tgz#0c7962a6adefa7bbd4ac366460a638552ae1a0a2"
+  dependencies:
+    get-stdin "^4.0.1"
+
+tr46@~0.0.3:
+  version "0.0.3"
+  resolved "https://registry.yarnpkg.com/tr46/-/tr46-0.0.3.tgz#8184fd347dac9cdc185992f3a6622e14b9d9ab6a"
+
+trim-newlines@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/trim-newlines/-/trim-newlines-1.0.0.tgz#5887966bb582a4503a41eb524f7d35011815a613"
+
+uglify-js@^2.6:
+  version "2.8.8"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.8.8.tgz#1a5cd145eb528b606fa2b86e578885272b597cd7"
+  dependencies:
+    source-map "~0.5.1"
+    uglify-to-browserify "~1.0.0"
+    yargs "~3.10.0"
+
+uglify-to-browserify@~1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/uglify-to-browserify/-/uglify-to-browserify-1.0.2.tgz#6e0924d6bda6b5afe349e39a6d632850a0f882b7"
+
+ultron@1.0.x:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/ultron/-/ultron-1.0.2.tgz#ace116ab557cd197386a4e88f4685378c8b2e4fa"
+
+validate-npm-package-license@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/validate-npm-package-license/-/validate-npm-package-license-3.0.1.tgz#2804babe712ad3379459acfbe24746ab2c303fbc"
+  dependencies:
+    spdx-correct "~1.0.0"
+    spdx-expression-parse "~1.0.0"
+
+webidl-conversions@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-3.0.1.tgz#24534275e2a7bc6be7bc86611cc16ae0a5654871"
+
+whatwg-url@4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-4.0.0.tgz#5be362f0b6e2f8760f7260df6e0e1df536f5479c"
+  dependencies:
+    tr46 "~0.0.3"
+    webidl-conversions "^3.0.0"
+
+window-size@0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/window-size/-/window-size-0.1.0.tgz#5438cd2ea93b202efa3a19fe8887aee7c94f9c9d"
+
+window-size@^0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/window-size/-/window-size-0.1.4.tgz#f8e1aa1ee5a53ec5bf151ffa09742a6ad7697876"
+
+wordwrap@0.0.2:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.2.tgz#b79669bb42ecb409f83d583cad52ca17eaa1643f"
+
+wordwrap@~0.0.2:
+  version "0.0.3"
+  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.3.tgz#a3d5da6cd5c0bc0008d37234bbaf1bed63059107"
+
+wrap-ansi@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
+  dependencies:
+    string-width "^1.0.1"
+    strip-ansi "^3.0.1"
+
+ws@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-1.1.1.tgz#082ddb6c641e85d4bb451f03d52f06eabdb1f018"
+  dependencies:
+    options ">=0.0.5"
+    ultron "1.0.x"
+
+y18n@^3.2.0:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"
+
+yargs@3.32.0:
+  version "3.32.0"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-3.32.0.tgz#03088e9ebf9e756b69751611d2a5ef591482c995"
+  dependencies:
+    camelcase "^2.0.1"
+    cliui "^3.0.3"
+    decamelize "^1.1.1"
+    os-locale "^1.4.0"
+    string-width "^1.0.1"
+    window-size "^0.1.4"
+    y18n "^3.2.0"
+
+yargs@~3.10.0:
+  version "3.10.0"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-3.10.0.tgz#f7ee7bd857dd7c1d2d38c0e74efbd681d1431fd1"
+  dependencies:
+    camelcase "^1.0.2"
+    cliui "^2.1.0"
+    decamelize "^1.0.0"
+    window-size "0.1.0"