--- a/Gemfile.lock	Sat Dec 20 17:51:07 2014 +0900
+++ b/Gemfile.lock	Thu Apr 23 15:32:56 2015 +0900
@@ -1,75 +1,75 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actionpack (4.2.0)
-      actionview (= 4.2.0)
-      activesupport (= 4.2.0)
-      rack (~> 1.6.0)
+    actionpack (4.2.1)
+      actionview (= 4.2.1)
+      activesupport (= 4.2.1)
+      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 (4.2.0)
-      activesupport (= 4.2.0)
+    actionview (4.2.1)
+      activesupport (= 4.2.1)
       builder (~> 3.1)
       erubis (~> 2.7.0)
       rails-dom-testing (~> 1.0, >= 1.0.5)
       rails-html-sanitizer (~> 1.0, >= 1.0.1)
-    activesupport (4.2.0)
+    activesupport (4.2.1)
       i18n (~> 0.7)
       json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    addressable (2.3.6)
+    addressable (2.3.8)
     buftok (0.2.0)
     builder (3.2.2)
-    dalli (2.7.2)
-    equalizer (0.0.9)
+    dalli (2.7.4)
+    equalizer (0.0.11)
     erubis (2.7.0)
-    faraday (0.9.0)
+    faraday (0.9.1)
       multipart-post (>= 1.2, < 3)
-    http (0.6.3)
+    http (0.6.4)
       http_parser.rb (~> 0.6.0)
     http_parser.rb (0.6.0)
     http_parser.rb (0.6.0-java)
     i18n (0.7.0)
-    json (1.8.1)
-    json (1.8.1-java)
+    json (1.8.2)
+    json (1.8.2-java)
     loofah (2.0.1)
       nokogiri (>= 1.5.9)
     memoizable (0.4.2)
       thread_safe (~> 0.3, >= 0.3.1)
-    mini_portile (0.6.1)
-    minitest (5.5.0)
+    mini_portile (0.6.2)
+    minitest (5.6.0)
     multipart-post (2.0.0)
     naught (1.0.0)
-    nokogiri (1.6.5)
+    nokogiri (1.6.6.2)
       mini_portile (~> 0.6.0)
-    nokogiri (1.6.5-java)
-    nokogiri (1.6.5-x86-mingw32)
+    nokogiri (1.6.6.2-java)
+    nokogiri (1.6.6.2-x86-mingw32)
       mini_portile (~> 0.6.0)
     rack (1.6.0)
-    rack-test (0.6.2)
+    rack-test (0.6.3)
       rack (>= 1.0)
     rails-deprecated_sanitizer (1.0.3)
       activesupport (>= 4.2.0.alpha)
-    rails-dom-testing (1.0.5)
+    rails-dom-testing (1.0.6)
       activesupport (>= 4.2.0.beta, < 5.0)
       nokogiri (~> 1.6.0)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.0.1)
+    rails-html-sanitizer (1.0.2)
       loofah (~> 2.0)
-    railties (4.2.0)
-      actionpack (= 4.2.0)
-      activesupport (= 4.2.0)
+    railties (4.2.1)
+      actionpack (= 4.2.1)
+      activesupport (= 4.2.1)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     rake (10.4.2)
-    simple_oauth (0.3.0)
+    simple_oauth (0.3.1)
     thor (0.19.1)
-    thread_safe (0.3.4)
-    thread_safe (0.3.4-java)
-    twitter (5.13.0)
+    thread_safe (0.3.5)
+    thread_safe (0.3.5-java)
+    twitter (5.14.0)
       addressable (~> 2.3)
       buftok (~> 0.2.0)
       equalizer (~> 0.0.9)
@@ -80,15 +80,15 @@
       memoizable (~> 0.4.0)
       naught (~> 1.0)
       simple_oauth (~> 0.3.0)
-    twitter-text (1.10.0)
+    twitter-text (1.11.0)
       unf (~> 0.1.0)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
     unf (0.1.4)
       unf_ext
     unf (0.1.4-java)
-    unf_ext (0.0.6)
-    unf_ext (0.0.6-x86-mingw32)
+    unf_ext (0.0.7.1)
+    unf_ext (0.0.7.1-x86-mingw32)
 
 PLATFORMS
   java