--- a/Gemfile.lock	Sat Jun 27 14:46:01 2015 +0900
+++ b/Gemfile.lock	Sun Sep 06 03:52:52 2015 +0900
@@ -1,45 +1,49 @@
 GEM
   remote: https://rubygems.org/
+  remote: https://rails-assets.org/
   specs:
-    actionmailer (4.2.1)
-      actionpack (= 4.2.1)
-      actionview (= 4.2.1)
-      activejob (= 4.2.1)
+    actionmailer (4.2.4)
+      actionpack (= 4.2.4)
+      actionview (= 4.2.4)
+      activejob (= 4.2.4)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 1.0, >= 1.0.5)
-    actionpack (4.2.1)
-      actionview (= 4.2.1)
-      activesupport (= 4.2.1)
+    actionpack (4.2.4)
+      actionview (= 4.2.4)
+      activesupport (= 4.2.4)
       rack (~> 1.6)
       rack-test (~> 0.6.2)
       rails-dom-testing (~> 1.0, >= 1.0.5)
-      rails-html-sanitizer (~> 1.0, >= 1.0.1)
-    actionview (4.2.1)
-      activesupport (= 4.2.1)
+      rails-html-sanitizer (~> 1.0, >= 1.0.2)
+    actionview (4.2.4)
+      activesupport (= 4.2.4)
       builder (~> 3.1)
       erubis (~> 2.7.0)
       rails-dom-testing (~> 1.0, >= 1.0.5)
-      rails-html-sanitizer (~> 1.0, >= 1.0.1)
-    activejob (4.2.1)
-      activesupport (= 4.2.1)
+      rails-html-sanitizer (~> 1.0, >= 1.0.2)
+    activejob (4.2.4)
+      activesupport (= 4.2.4)
       globalid (>= 0.3.0)
-    activemodel (4.2.1)
-      activesupport (= 4.2.1)
+    activemodel (4.2.4)
+      activesupport (= 4.2.4)
       builder (~> 3.1)
-    activerecord (4.2.1)
-      activemodel (= 4.2.1)
-      activesupport (= 4.2.1)
+    activerecord (4.2.4)
+      activemodel (= 4.2.4)
+      activesupport (= 4.2.4)
       arel (~> 6.0)
-    activesupport (4.2.1)
+    activesupport (4.2.4)
       i18n (~> 0.7)
       json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    arel (6.0.0)
-    autoprefixer-rails (5.2.0)
+    arel (6.0.3)
+    autoprefixer-rails (6.0.0)
       execjs
       json
+    bootstrap-sass (3.3.5.1)
+      autoprefixer-rails (>= 5.0.0.1)
+      sass (>= 3.3.0)
     builder (3.2.2)
     coffee-rails (4.1.0)
       coffee-script (>= 2.2.0)
@@ -49,75 +53,77 @@
       execjs
     coffee-script-source (1.9.1.1)
     erubis (2.7.0)
-    execjs (2.5.2)
-    globalid (0.3.5)
+    execjs (2.6.0)
+    globalid (0.3.6)
       activesupport (>= 4.1.0)
     i18n (0.7.0)
-    jquery-rails (4.0.3)
+    jquery-rails (4.0.5)
       rails-dom-testing (~> 1.0)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
     json (1.8.3)
-    loofah (2.0.2)
+    loofah (2.0.3)
       nokogiri (>= 1.5.9)
     mail (2.6.3)
       mime-types (>= 1.16, < 3)
     mime-types (2.6.1)
     mini_portile (0.6.2)
-    minitest (5.7.0)
-    newrelic_rpm (3.12.0.288)
+    minitest (5.8.0)
+    newrelic_rpm (3.13.0.299)
     nokogiri (1.6.6.2)
       mini_portile (~> 0.6.0)
-    pg (0.18.2)
+    pg (0.18.3)
     quiet_assets (1.1.0)
       railties (>= 3.1, < 5.0)
-    rack (1.6.1)
+    rack (1.6.4)
     rack-test (0.6.3)
       rack (>= 1.0)
-    rails (4.2.1)
-      actionmailer (= 4.2.1)
-      actionpack (= 4.2.1)
-      actionview (= 4.2.1)
-      activejob (= 4.2.1)
-      activemodel (= 4.2.1)
-      activerecord (= 4.2.1)
-      activesupport (= 4.2.1)
+    rails (4.2.4)
+      actionmailer (= 4.2.4)
+      actionpack (= 4.2.4)
+      actionview (= 4.2.4)
+      activejob (= 4.2.4)
+      activemodel (= 4.2.4)
+      activerecord (= 4.2.4)
+      activesupport (= 4.2.4)
       bundler (>= 1.3.0, < 2.0)
-      railties (= 4.2.1)
+      railties (= 4.2.4)
       sprockets-rails
+    rails-assets-commonmark (0.22.0)
+    rails-assets-highlightjs (8.7.0)
     rails-deprecated_sanitizer (1.0.3)
       activesupport (>= 4.2.0.alpha)
-    rails-dom-testing (1.0.6)
+    rails-dom-testing (1.0.7)
       activesupport (>= 4.2.0.beta, < 5.0)
       nokogiri (~> 1.6.0)
       rails-deprecated_sanitizer (>= 1.0.1)
     rails-html-sanitizer (1.0.2)
       loofah (~> 2.0)
-    railties (4.2.1)
-      actionpack (= 4.2.1)
-      activesupport (= 4.2.1)
+    railties (4.2.4)
+      actionpack (= 4.2.4)
+      activesupport (= 4.2.4)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     rake (10.4.2)
-    sass (3.4.14)
-    sass-rails (5.0.3)
+    sass (3.4.18)
+    sass-rails (5.0.4)
       railties (>= 4.0.0, < 5.0)
       sass (~> 3.1)
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
-      tilt (~> 1.1)
-    sprockets (3.2.0)
+      tilt (>= 1.1, < 3)
+    sprockets (3.3.4)
       rack (~> 1.0)
-    sprockets-rails (2.3.1)
+    sprockets-rails (2.3.2)
       actionpack (>= 3.0)
       activesupport (>= 3.0)
       sprockets (>= 2.8, < 4.0)
     thor (0.19.1)
     thread_safe (0.3.5)
-    tilt (1.4.1)
+    tilt (2.0.1)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
-    uglifier (2.7.1)
+    uglifier (2.7.2)
       execjs (>= 0.3.0)
       json (>= 1.8.0)
 
@@ -127,6 +133,7 @@
 DEPENDENCIES
   activerecord-jdbcpostgresql-adapter
   autoprefixer-rails
+  bootstrap-sass
   coffee-rails (~> 4.1.0)
   jquery-rails
   jruby-openssl
@@ -134,9 +141,11 @@
   pg
   quiet_assets
   rails (~> 4.2.0)
+  rails-assets-commonmark!
+  rails-assets-highlightjs!
   sass-rails (~> 5.0)
   therubyrhino
   uglifier (>= 1.3.0)
 
 BUNDLED WITH
-   1.10.3
+   1.10.6