diff --git a/Gemfile.lock b/Gemfile.lock
index fa82c7d..586b936 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,44 +10,39 @@ PATH
 GEM
   remote: http://rubygems.org/
   specs:
-    actionmailer (3.1.0)
-      actionpack (= 3.1.0)
-      mail (~> 2.3.0)
-    actionpack (3.1.0)
-      activemodel (= 3.1.0)
-      activesupport (= 3.1.0)
-      builder (~> 3.0.0)
+    actionmailer (4.0.13)
+      actionpack (= 4.0.13)
+      mail (~> 2.5, >= 2.5.4)
+    actionpack (4.0.13)
+      activesupport (= 4.0.13)
+      builder (~> 3.1.0)
       erubis (~> 2.7.0)
-      i18n (~> 0.6)
-      rack (~> 1.3.2)
-      rack-cache (~> 1.0.3)
-      rack-mount (~> 0.8.2)
-      rack-test (~> 0.6.1)
-      sprockets (~> 2.0.0)
-    activemodel (3.1.0)
-      activesupport (= 3.1.0)
-      bcrypt-ruby (~> 3.0.0)
-      builder (~> 3.0.0)
-      i18n (~> 0.6)
-    activerecord (3.1.0)
-      activemodel (= 3.1.0)
-      activesupport (= 3.1.0)
-      arel (~> 2.2.1)
-      tzinfo (~> 0.3.29)
-    activeresource (3.1.0)
-      activemodel (= 3.1.0)
-      activesupport (= 3.1.0)
-    activesupport (3.1.0)
-      multi_json (~> 1.0)
-    arel (2.2.3)
-    bcrypt-ruby (3.0.1)
+      rack (~> 1.5.2)
+      rack-test (~> 0.6.2)
+    activemodel (4.0.13)
+      activesupport (= 4.0.13)
+      builder (~> 3.1.0)
+    activerecord (4.0.13)
+      activemodel (= 4.0.13)
+      activerecord-deprecated_finders (~> 1.0.2)
+      activesupport (= 4.0.13)
+      arel (~> 4.0.0)
+    activerecord-deprecated_finders (1.0.4)
+    activesupport (4.0.13)
+      i18n (~> 0.6, >= 0.6.9)
+      minitest (~> 4.2)
+      multi_json (~> 1.3)
+      thread_safe (~> 0.1)
+      tzinfo (~> 0.3.37)
+    arel (4.0.2)
     better_errors (1.1.0)
       coderay (>= 1.0.0)
       erubis (>= 2.6.6)
-    builder (3.0.4)
+    builder (3.1.4)
     coderay (1.1.0)
     color (1.5.1)
     columnize (0.3.6)
+    concurrent-ruby (1.1.10)
     debugger (1.6.5)
       columnize (>= 0.3.1)
       debugger-linecache (~> 1.2.0)
@@ -62,20 +57,17 @@ GEM
       activesupport (>= 3.1, < 4.1)
       haml (>= 3.1, < 4.1)
       railties (>= 3.1, < 4.1)
-    hike (1.2.3)
-    i18n (0.6.9)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jquery-rails (3.1.0)
       railties (>= 3.0, < 5.0)
       thor (>= 0.14, < 2.0)
-    json (1.8.1)
-    mail (2.3.3)
-      i18n (>= 0.4.0)
-      mime-types (~> 1.16)
-      treetop (~> 1.4.8)
+    mail (2.7.1)
+      mini_mime (>= 0.1.1)
     method_source (0.8.2)
-    mime-types (1.25.1)
-    multi_json (1.8.4)
-    polyglot (0.3.3)
+    mini_mime (1.1.2)
+    minitest (4.7.5)
+    multi_json (1.15.0)
     pry (0.9.12.6)
       coderay (~> 1.0)
       method_source (~> 0.8)
@@ -83,45 +75,36 @@ GEM
     pry-debugger (0.2.2)
       debugger (~> 1.3)
       pry (~> 0.9.10)
-    rack (1.3.10)
-    rack-cache (1.0.3)
-      rack (>= 0.4)
-    rack-mount (0.8.3)
-      rack (>= 1.0.0)
-    rack-ssl (1.3.3)
-      rack
-    rack-test (0.6.2)
+    rack (1.5.5)
+    rack-test (0.6.3)
       rack (>= 1.0)
-    rails (3.1.0)
-      actionmailer (= 3.1.0)
-      actionpack (= 3.1.0)
-      activerecord (= 3.1.0)
-      activeresource (= 3.1.0)
-      activesupport (= 3.1.0)
-      bundler (~> 1.0)
-      railties (= 3.1.0)
-    railties (3.1.0)
-      actionpack (= 3.1.0)
-      activesupport (= 3.1.0)
-      rack-ssl (~> 1.3.2)
+    rails (4.0.13)
+      actionmailer (= 4.0.13)
+      actionpack (= 4.0.13)
+      activerecord (= 4.0.13)
+      activesupport (= 4.0.13)
+      bundler (>= 1.3.0, < 2.0)
+      railties (= 4.0.13)
+      sprockets-rails (~> 2.0)
+    railties (4.0.13)
+      actionpack (= 4.0.13)
+      activesupport (= 4.0.13)
       rake (>= 0.8.7)
-      rdoc (~> 3.4)
-      thor (~> 0.14.6)
+      thor (>= 0.18.1, < 2.0)
     rake (10.1.1)
-    rdoc (3.12.2)
-      json (~> 1.4)
     sass (3.2.14)
     slop (3.4.7)
-    sprockets (2.0.4)
-      hike (~> 1.2)
-      rack (~> 1.0)
-      tilt (~> 1.1, != 1.3.0)
-    thor (0.14.6)
-    tilt (1.4.1)
-    treetop (1.4.15)
-      polyglot
-      polyglot (>= 0.3.1)
-    tzinfo (0.3.38)
+    sprockets (3.7.2)
+      concurrent-ruby (~> 1.0)
+      rack (> 1, < 3)
+    sprockets-rails (2.3.3)
+      actionpack (>= 3.0)
+      activesupport (>= 3.0)
+      sprockets (>= 2.8, < 4.0)
+    thor (1.2.1)
+    thread_safe (0.3.6)
+    tilt (2.0.10)
+    tzinfo (0.3.60)
 
 PLATFORMS
   ruby