--- a/Gemfile.lock	Tue Jan 26 04:40:31 2016 +0900
+++ b/Gemfile.lock	Tue Mar 01 16:36:10 2016 +0900
@@ -2,45 +2,44 @@
   remote: https://rubygems.org/
   remote: https://rails-assets.org/
   specs:
-    actionmailer (4.2.5.1)
-      actionpack (= 4.2.5.1)
-      actionview (= 4.2.5.1)
-      activejob (= 4.2.5.1)
+    actionmailer (4.2.5.2)
+      actionpack (= 4.2.5.2)
+      actionview (= 4.2.5.2)
+      activejob (= 4.2.5.2)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 1.0, >= 1.0.5)
-    actionpack (4.2.5.1)
-      actionview (= 4.2.5.1)
-      activesupport (= 4.2.5.1)
+    actionpack (4.2.5.2)
+      actionview (= 4.2.5.2)
+      activesupport (= 4.2.5.2)
       rack (~> 1.6)
       rack-test (~> 0.6.2)
       rails-dom-testing (~> 1.0, >= 1.0.5)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (4.2.5.1)
-      activesupport (= 4.2.5.1)
+    actionview (4.2.5.2)
+      activesupport (= 4.2.5.2)
       builder (~> 3.1)
       erubis (~> 2.7.0)
       rails-dom-testing (~> 1.0, >= 1.0.5)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    activejob (4.2.5.1)
-      activesupport (= 4.2.5.1)
+    activejob (4.2.5.2)
+      activesupport (= 4.2.5.2)
       globalid (>= 0.3.0)
-    activemodel (4.2.5.1)
-      activesupport (= 4.2.5.1)
+    activemodel (4.2.5.2)
+      activesupport (= 4.2.5.2)
       builder (~> 3.1)
-    activerecord (4.2.5.1)
-      activemodel (= 4.2.5.1)
-      activesupport (= 4.2.5.1)
+    activerecord (4.2.5.2)
+      activemodel (= 4.2.5.2)
+      activesupport (= 4.2.5.2)
       arel (~> 6.0)
-    activesupport (4.2.5.1)
+    activesupport (4.2.5.2)
       i18n (~> 0.7)
       json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
     arel (6.0.3)
-    autoprefixer-rails (6.3.1)
+    autoprefixer-rails (6.3.3.1)
       execjs
-      json
     bootstrap-sass (3.3.6)
       autoprefixer-rails (>= 5.2.1)
       sass (>= 3.3.4)
@@ -52,7 +51,7 @@
       coffee-script-source
       execjs
     coffee-script-source (1.10.0)
-    concurrent-ruby (1.0.0)
+    concurrent-ruby (1.0.1)
     erubis (2.7.0)
     execjs (2.6.0)
     globalid (0.3.6)
@@ -67,10 +66,10 @@
       nokogiri (>= 1.5.9)
     mail (2.6.3)
       mime-types (>= 1.16, < 3)
-    mime-types (2.99)
+    mime-types (2.99.1)
     mini_portile2 (2.0.0)
     minitest (5.8.4)
-    newrelic_rpm (3.14.2.312)
+    newrelic_rpm (3.15.0.314)
     nokogiri (1.6.7.2)
       mini_portile2 (~> 2.0.0.rc2)
     pg (0.18.4)
@@ -79,16 +78,16 @@
     rack (1.6.4)
     rack-test (0.6.3)
       rack (>= 1.0)
-    rails (4.2.5.1)
-      actionmailer (= 4.2.5.1)
-      actionpack (= 4.2.5.1)
-      actionview (= 4.2.5.1)
-      activejob (= 4.2.5.1)
-      activemodel (= 4.2.5.1)
-      activerecord (= 4.2.5.1)
-      activesupport (= 4.2.5.1)
+    rails (4.2.5.2)
+      actionmailer (= 4.2.5.2)
+      actionpack (= 4.2.5.2)
+      actionview (= 4.2.5.2)
+      activejob (= 4.2.5.2)
+      activemodel (= 4.2.5.2)
+      activerecord (= 4.2.5.2)
+      activesupport (= 4.2.5.2)
       bundler (>= 1.3.0, < 2.0)
-      railties (= 4.2.5.1)
+      railties (= 4.2.5.2)
       sprockets-rails
     rails-assets-commonmark (0.24.0)
     rails-assets-highlightjs (9.1.0)
@@ -100,9 +99,9 @@
       rails-deprecated_sanitizer (>= 1.0.1)
     rails-html-sanitizer (1.0.3)
       loofah (~> 2.0)
-    railties (4.2.5.1)
-      actionpack (= 4.2.5.1)
-      activesupport (= 4.2.5.1)
+    railties (4.2.5.2)
+      actionpack (= 4.2.5.2)
+      activesupport (= 4.2.5.2)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     rake (10.5.0)
@@ -116,7 +115,7 @@
     sprockets (3.5.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
-    sprockets-rails (3.0.0)
+    sprockets-rails (3.0.3)
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)