--- a/Gemfile.lock	Mon Nov 24 17:14:24 2014 +0900
+++ b/Gemfile.lock	Sat Dec 20 17:57:34 2014 +0900
@@ -1,42 +1,51 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actionmailer (4.1.8)
-      actionpack (= 4.1.8)
-      actionview (= 4.1.8)
+    actionmailer (4.2.0)
+      actionpack (= 4.2.0)
+      actionview (= 4.2.0)
+      activejob (= 4.2.0)
       mail (~> 2.5, >= 2.5.4)
-    actionpack (4.1.8)
-      actionview (= 4.1.8)
-      activesupport (= 4.1.8)
-      rack (~> 1.5.2)
+      rails-dom-testing (~> 1.0, >= 1.0.5)
+    actionpack (4.2.0)
+      actionview (= 4.2.0)
+      activesupport (= 4.2.0)
+      rack (~> 1.6.0)
       rack-test (~> 0.6.2)
-    actionview (4.1.8)
-      activesupport (= 4.1.8)
+      rails-dom-testing (~> 1.0, >= 1.0.5)
+      rails-html-sanitizer (~> 1.0, >= 1.0.1)
+    actionview (4.2.0)
+      activesupport (= 4.2.0)
       builder (~> 3.1)
       erubis (~> 2.7.0)
-    activemodel (4.1.8)
-      activesupport (= 4.1.8)
+      rails-dom-testing (~> 1.0, >= 1.0.5)
+      rails-html-sanitizer (~> 1.0, >= 1.0.1)
+    activejob (4.2.0)
+      activesupport (= 4.2.0)
+      globalid (>= 0.3.0)
+    activemodel (4.2.0)
+      activesupport (= 4.2.0)
       builder (~> 3.1)
-    activerecord (4.1.8)
-      activemodel (= 4.1.8)
-      activesupport (= 4.1.8)
-      arel (~> 5.0.0)
+    activerecord (4.2.0)
+      activemodel (= 4.2.0)
+      activesupport (= 4.2.0)
+      arel (~> 6.0)
     activerecord-jdbc-adapter (1.3.13)
       activerecord (>= 2.2)
     activerecord-jdbcpostgresql-adapter (1.3.13)
       activerecord-jdbc-adapter (~> 1.3.13)
       jdbc-postgres (>= 9.1)
-    activesupport (4.1.8)
-      i18n (~> 0.6, >= 0.6.9)
+    activesupport (4.2.0)
+      i18n (~> 0.7)
       json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
-      thread_safe (~> 0.1)
+      thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    arel (5.0.1.20140414130214)
+    arel (6.0.0)
     bootstrap-sass (3.3.1.0)
       sass (~> 3.2)
     builder (3.2.2)
-    coffee-rails (4.0.1)
+    coffee-rails (4.1.0)
       coffee-script (>= 2.2.0)
       railties (>= 4.0.0, < 5.0)
     coffee-script (2.3.0)
@@ -46,63 +55,82 @@
     dalli (2.7.2)
     erubis (2.7.0)
     execjs (2.2.2)
+    globalid (0.3.0)
+      activesupport (>= 4.1.0)
     hike (1.2.3)
     hooves (0.7)
       unicorn (> 0)
-    i18n (0.6.11)
+    i18n (0.7.0)
     jdbc-postgres (9.3.1102)
-    jquery-rails (3.1.2)
-      railties (>= 3.0, < 5.0)
+    jquery-rails (4.0.2)
+      rails-dom-testing (~> 1.0)
+      railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
-    jruby-openssl (0.9.5-java)
+    jruby-openssl (0.9.6-java)
     json (1.8.1)
     json (1.8.1-java)
     kgio (2.9.2)
+    loofah (2.0.1)
+      nokogiri (>= 1.5.9)
     mail (2.6.3)
       mime-types (>= 1.16, < 3)
     mime-types (2.4.3)
-    minitest (5.4.3)
+    mini_portile (0.6.1)
+    minitest (5.5.0)
     multi_json (1.10.1)
-    newrelic_rpm (3.9.7.266)
+    newrelic_rpm (3.9.8.273)
+    nokogiri (1.6.5)
+      mini_portile (~> 0.6.0)
+    nokogiri (1.6.5-java)
     pg (0.17.1)
-    puma (2.10.0)
+    puma (2.10.2)
       rack (>= 1.1, < 2.0)
-    puma (2.10.0-java)
+    puma (2.10.2-java)
       rack (>= 1.1, < 2.0)
     quiet_assets (1.0.3)
       railties (>= 3.1, < 5.0)
-    rack (1.5.2)
+    rack (1.6.0)
     rack-test (0.6.2)
       rack (>= 1.0)
-    rails (4.1.8)
-      actionmailer (= 4.1.8)
-      actionpack (= 4.1.8)
-      actionview (= 4.1.8)
-      activemodel (= 4.1.8)
-      activerecord (= 4.1.8)
-      activesupport (= 4.1.8)
+    rails (4.2.0)
+      actionmailer (= 4.2.0)
+      actionpack (= 4.2.0)
+      actionview (= 4.2.0)
+      activejob (= 4.2.0)
+      activemodel (= 4.2.0)
+      activerecord (= 4.2.0)
+      activesupport (= 4.2.0)
       bundler (>= 1.3.0, < 2.0)
-      railties (= 4.1.8)
-      sprockets-rails (~> 2.0)
-    railties (4.1.8)
-      actionpack (= 4.1.8)
-      activesupport (= 4.1.8)
+      railties (= 4.2.0)
+      sprockets-rails
+    rails-deprecated_sanitizer (1.0.3)
+      activesupport (>= 4.2.0.alpha)
+    rails-dom-testing (1.0.5)
+      activesupport (>= 4.2.0.beta, < 5.0)
+      nokogiri (~> 1.6.0)
+      rails-deprecated_sanitizer (>= 1.0.1)
+    rails-html-sanitizer (1.0.1)
+      loofah (~> 2.0)
+    railties (4.2.0)
+      actionpack (= 4.2.0)
+      activesupport (= 4.2.0)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     raindrops (0.13.0)
-    rake (10.3.2)
-    sass (3.2.19)
-    sass-rails (4.0.4)
+    rake (10.4.2)
+    sass (3.4.9)
+    sass-rails (5.0.0)
       railties (>= 4.0.0, < 5.0)
-      sass (~> 3.2.2)
-      sprockets (~> 2.8, < 2.12)
-      sprockets-rails (~> 2.0)
-    sprockets (2.11.3)
+      sass (~> 3.1)
+      sprockets (>= 2.8, < 4.0)
+      sprockets-rails (>= 2.0, < 4.0)
+      tilt (~> 1.1)
+    sprockets (2.12.3)
       hike (~> 1.2)
       multi_json (~> 1.0)
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
-    sprockets-rails (2.2.1)
+    sprockets-rails (2.2.2)
       actionpack (>= 3.0)
       activesupport (>= 3.0)
       sprockets (>= 2.8, < 4.0)
@@ -115,7 +143,7 @@
     tilt (1.4.1)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
-    uglifier (2.5.3)
+    uglifier (2.6.0)
       execjs (>= 0.3.0)
       json (>= 1.8.0)
     unicorn (4.8.3)
@@ -130,7 +158,7 @@
 DEPENDENCIES
   activerecord-jdbcpostgresql-adapter
   bootstrap-sass
-  coffee-rails (~> 4.0.0)
+  coffee-rails (~> 4.1.0)
   dalli
   hooves
   jquery-rails
@@ -139,8 +167,8 @@
   pg
   puma
   quiet_assets
-  rails (~> 4.1.0)
-  sass-rails (~> 4.0.3)
+  rails (~> 4.2.0)
+  sass-rails (~> 5.0)
   therubyrhino
   uglifier (>= 1.3.0)
   unicorn