update rails version

Gemfile.lock

@@ -12,36 +12,36 @@ GIT
 GEM
   remote: https://rubygems.org/
   specs:
-    actionmailer (4.2.7)
-      actionpack (= 4.2.7)
-      actionview (= 4.2.7)
-      activejob (= 4.2.7)
+    actionmailer (4.2.7.1)
+      actionpack (= 4.2.7.1)
+      actionview (= 4.2.7.1)
+      activejob (= 4.2.7.1)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 1.0, >= 1.0.5)
-    actionpack (4.2.7)
-      actionview (= 4.2.7)
-      activesupport (= 4.2.7)
+    actionpack (4.2.7.1)
+      actionview (= 4.2.7.1)
+      activesupport (= 4.2.7.1)
       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 (4.2.7)
-      activesupport (= 4.2.7)
+    actionview (4.2.7.1)
+      activesupport (= 4.2.7.1)
       builder (~> 3.1)
       erubis (~> 2.7.0)
       rails-dom-testing (~> 1.0, >= 1.0.5)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    activejob (4.2.7)
-      activesupport (= 4.2.7)
+    activejob (4.2.7.1)
+      activesupport (= 4.2.7.1)
       globalid (>= 0.3.0)
-    activemodel (4.2.7)
-      activesupport (= 4.2.7)
+    activemodel (4.2.7.1)
+      activesupport (= 4.2.7.1)
       builder (~> 3.1)
-    activerecord (4.2.7)
-      activemodel (= 4.2.7)
-      activesupport (= 4.2.7)
+    activerecord (4.2.7.1)
+      activemodel (= 4.2.7.1)
+      activesupport (= 4.2.7.1)
       arel (~> 6.0)
-    activesupport (4.2.7)
+    activesupport (4.2.7.1)
       i18n (~> 0.7)
       json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
@@ -95,7 +95,7 @@ GEM
     erubis (2.7.0)
     execjs (2.6.0)
     fabrication (2.15.0)
-    globalid (0.3.6)
+    globalid (0.3.7)
       activesupport (>= 4.1.0)
     haml (4.0.7)
       tilt
@@ -134,13 +134,11 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
     mini_portile2 (2.1.0)
-    minitest (5.9.0)
+    minitest (5.9.1)
     multi_json (1.12.1)
-    nokogiri (1.6.8)
+    nokogiri (1.6.8.1)
       mini_portile2 (~> 2.1.0)
-      pkg-config (~> 1.1.7)
     pg (0.18.4)
-    pkg-config (1.1.7)
     pry (0.10.3)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
@@ -155,16 +153,16 @@ GEM
       rack (>= 1.2.0)
     rack-test (0.6.3)
       rack (>= 1.0)
-    rails (4.2.7)
-      actionmailer (= 4.2.7)
-      actionpack (= 4.2.7)
-      actionview (= 4.2.7)
-      activejob (= 4.2.7)
-      activemodel (= 4.2.7)
-      activerecord (= 4.2.7)
-      activesupport (= 4.2.7)
+    rails (4.2.7.1)
+      actionmailer (= 4.2.7.1)
+      actionpack (= 4.2.7.1)
+      actionview (= 4.2.7.1)
+      activejob (= 4.2.7.1)
+      activemodel (= 4.2.7.1)
+      activerecord (= 4.2.7.1)
+      activesupport (= 4.2.7.1)
       bundler (>= 1.3.0, < 2.0)
-      railties (= 4.2.7)
+      railties (= 4.2.7.1)
       sprockets-rails
     rails-deprecated_sanitizer (1.0.3)
       activesupport (>= 4.2.0.alpha)
@@ -174,12 +172,12 @@ GEM
       rails-deprecated_sanitizer (>= 1.0.1)
     rails-html-sanitizer (1.0.3)
       loofah (~> 2.0)
-    railties (4.2.7)
-      actionpack (= 4.2.7)
-      activesupport (= 4.2.7)
+    railties (4.2.7.1)
+      actionpack (= 4.2.7.1)
+      activesupport (= 4.2.7.1)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (11.2.2)
+    rake (11.3.0)
     rdoc (4.2.2)
       json (~> 1.4)
     ref (2.0.0)