--- a/Gemfile.lock	Thu Jul 27 00:37:55 2017 +0900
+++ b/Gemfile.lock	Thu Jul 27 00:42:03 2017 +0900
@@ -2,120 +2,128 @@
   remote: https://rubygems.org/
   remote: https://rails-assets.org/
   specs:
-    actioncable (5.1.0)
-      actionpack (= 5.1.0)
+    actioncable (5.1.2)
+      actionpack (= 5.1.2)
       nio4r (~> 2.0)
       websocket-driver (~> 0.6.1)
-    actionmailer (5.1.0)
-      actionpack (= 5.1.0)
-      actionview (= 5.1.0)
-      activejob (= 5.1.0)
+    actionmailer (5.1.2)
+      actionpack (= 5.1.2)
+      actionview (= 5.1.2)
+      activejob (= 5.1.2)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.1.0)
-      actionview (= 5.1.0)
-      activesupport (= 5.1.0)
+    actionpack (5.1.2)
+      actionview (= 5.1.2)
+      activesupport (= 5.1.2)
       rack (~> 2.0)
       rack-test (~> 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.1.0)
-      activesupport (= 5.1.0)
+    actionview (5.1.2)
+      activesupport (= 5.1.2)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activejob (5.1.0)
-      activesupport (= 5.1.0)
+    activejob (5.1.2)
+      activesupport (= 5.1.2)
       globalid (>= 0.3.6)
-    activemodel (5.1.0)
-      activesupport (= 5.1.0)
-    activerecord (5.1.0)
-      activemodel (= 5.1.0)
-      activesupport (= 5.1.0)
+    activemodel (5.1.2)
+      activesupport (= 5.1.2)
+    activerecord (5.1.2)
+      activemodel (= 5.1.2)
+      activesupport (= 5.1.2)
       arel (~> 8.0)
-    activesupport (5.1.0)
+    activesupport (5.1.2)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (~> 0.7)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     arel (8.0.0)
-    autoprefixer-rails (6.7.7.2)
+    autoprefixer-rails (7.1.2.3)
       execjs
     bootstrap-sass (3.3.7)
       autoprefixer-rails (>= 5.2.1)
       sass (>= 3.3.4)
     builder (3.2.3)
-    coffee-rails (4.2.1)
+    coffee-rails (4.2.2)
       coffee-script (>= 2.2.0)
-      railties (>= 4.0.0, < 5.2.x)
+      railties (>= 4.0.0)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.0.5)
-    erubi (1.6.0)
+    erubi (1.6.1)
     execjs (2.7.0)
+    ffi (1.9.18)
     globalid (0.4.0)
       activesupport (>= 4.2.0)
-    i18n (0.8.1)
+    i18n (0.8.6)
     jquery-rails (4.3.1)
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
     loofah (2.0.3)
       nokogiri (>= 1.5.9)
-    mail (2.6.5)
+    mail (2.6.6)
       mime-types (>= 1.16, < 4)
     method_source (0.8.2)
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.1.0)
-    minitest (5.10.1)
-    newrelic_rpm (4.1.0.333)
-    nio4r (2.0.0)
-    nokogiri (1.7.1)
-      mini_portile2 (~> 2.1.0)
-    pg (0.20.0)
-    puma (3.8.2)
-    rack (2.0.1)
+    mini_portile2 (2.2.0)
+    minitest (5.10.3)
+    newrelic_rpm (4.3.0.335)
+    nio4r (2.1.0)
+    nokogiri (1.8.0)
+      mini_portile2 (~> 2.2.0)
+    pg (0.21.0)
+    puma (3.9.1)
+    rack (2.0.3)
     rack-test (0.6.3)
       rack (>= 1.0)
-    rails (5.1.0)
-      actioncable (= 5.1.0)
-      actionmailer (= 5.1.0)
-      actionpack (= 5.1.0)
-      actionview (= 5.1.0)
-      activejob (= 5.1.0)
-      activemodel (= 5.1.0)
-      activerecord (= 5.1.0)
-      activesupport (= 5.1.0)
+    rails (5.1.2)
+      actioncable (= 5.1.2)
+      actionmailer (= 5.1.2)
+      actionpack (= 5.1.2)
+      actionview (= 5.1.2)
+      activejob (= 5.1.2)
+      activemodel (= 5.1.2)
+      activerecord (= 5.1.2)
+      activesupport (= 5.1.2)
       bundler (>= 1.3.0, < 2.0)
-      railties (= 5.1.0)
+      railties (= 5.1.2)
       sprockets-rails (>= 2.0.0)
     rails-assets-commonmark (0.27.0)
-    rails-assets-highlightjs (9.10.0)
-    rails-dom-testing (2.0.2)
-      activesupport (>= 4.2.0, < 6.0)
-      nokogiri (~> 1.6)
+    rails-assets-highlightjs (9.12.0)
+    rails-dom-testing (2.0.3)
+      activesupport (>= 4.2.0)
+      nokogiri (>= 1.6)
     rails-html-sanitizer (1.0.3)
       loofah (~> 2.0)
-    railties (5.1.0)
-      actionpack (= 5.1.0)
-      activesupport (= 5.1.0)
+    railties (5.1.2)
+      actionpack (= 5.1.2)
+      activesupport (= 5.1.2)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     rake (12.0.0)
-    sass (3.4.23)
+    rb-fsevent (0.10.2)
+    rb-inotify (0.9.10)
+      ffi (>= 0.5.0, < 2)
+    sass (3.5.1)
+      sass-listen (~> 4.0.0)
+    sass-listen (4.0.0)
+      rb-fsevent (~> 0.9, >= 0.9.4)
+      rb-inotify (~> 0.9, >= 0.9.7)
     sass-rails (5.0.6)
       railties (>= 4.0.0, < 6)
       sass (~> 3.1)
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (>= 1.1, < 3)
-    sprockets (4.0.0.beta4)
+    sprockets (3.7.1)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
     sprockets-rails (3.2.0)
@@ -124,7 +132,7 @@
       sprockets (>= 3.0.0)
     thor (0.19.4)
     thread_safe (0.3.6)
-    tilt (2.0.7)
+    tilt (2.0.8)
     tzinfo (1.2.3)
       thread_safe (~> 0.1)
     uglifier (3.2.0)
@@ -153,4 +161,4 @@
   uglifier (>= 1.3.0)
 
 BUNDLED WITH
-   1.13.7
+   1.15.1