Upgrade Rails for development

Gemfile.lock

@@ -7,94 +7,96 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    actionmailer (4.2.6)
+    actioncable (5.0.0.1)
-      actionpack (= 4.2.6)
+      actionpack (= 5.0.0.1)
-      actionview (= 4.2.6)
+      nio4r (~> 1.2)
-      activejob (= 4.2.6)
+      websocket-driver (~> 0.6.1)
+    actionmailer (5.0.0.1)
+      actionpack (= 5.0.0.1)
+      actionview (= 5.0.0.1)
+      activejob (= 5.0.0.1)
       mail (~> 2.5, >= 2.5.4)
-      rails-dom-testing (~> 1.0, >= 1.0.5)
+      rails-dom-testing (~> 2.0)
-    actionpack (4.2.6)
+    actionpack (5.0.0.1)
-      actionview (= 4.2.6)
+      actionview (= 5.0.0.1)
-      activesupport (= 4.2.6)
+      activesupport (= 5.0.0.1)
-      rack (~> 1.6)
+      rack (~> 2.0)
-      rack-test (~> 0.6.2)
+      rack-test (~> 0.6.3)
-      rails-dom-testing (~> 1.0, >= 1.0.5)
+      rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (4.2.6)
+    actionview (5.0.0.1)
-      activesupport (= 4.2.6)
+      activesupport (= 5.0.0.1)
       builder (~> 3.1)
       erubis (~> 2.7.0)
-      rails-dom-testing (~> 1.0, >= 1.0.5)
+      rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    activejob (4.2.6)
+    activejob (5.0.0.1)
-      activesupport (= 4.2.6)
+      activesupport (= 5.0.0.1)
-      globalid (>= 0.3.0)
+      globalid (>= 0.3.6)
-    activemodel (4.2.6)
+    activemodel (5.0.0.1)
-      activesupport (= 4.2.6)
+      activesupport (= 5.0.0.1)
-      builder (~> 3.1)
+    activerecord (5.0.0.1)
-    activerecord (4.2.6)
+      activemodel (= 5.0.0.1)
-      activemodel (= 4.2.6)
+      activesupport (= 5.0.0.1)
-      activesupport (= 4.2.6)
+      arel (~> 7.0)
-      arel (~> 6.0)
+    activesupport (5.0.0.1)
-    activesupport (4.2.6)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
       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)
+    arel (7.1.4)
     builder (3.2.2)
     concurrent-ruby (1.0.2)
     concurrent-ruby (1.0.2-java)
     dalli (2.7.6)
     diff-lcs (1.2.5)
     erubis (2.7.0)
-    globalid (0.3.6)
+    globalid (0.3.7)
       activesupport (>= 4.1.0)
     i18n (0.7.0)
-    json (1.8.3)
-    json (1.8.3-java)
     loofah (2.0.3)
       nokogiri (>= 1.5.9)
     mail (2.6.4)
       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_magick (4.3.6)
-    mini_portile2 (2.0.0)
+    mini_portile2 (2.1.0)
-    minitest (5.9.0)
+    minitest (5.9.1)
-    nokogiri (1.6.7.2)
+    nio4r (1.2.1)
-      mini_portile2 (~> 2.0.0.rc2)
+    nio4r (1.2.1-java)
-    nokogiri (1.6.7.2-java)
+    nokogiri (1.6.8.1)
-    rack (1.6.4)
+      mini_portile2 (~> 2.1.0)
+    nokogiri (1.6.8.1-java)
+    rack (2.0.1)
     rack-test (0.6.3)
       rack (>= 1.0)
-    rails (4.2.6)
+    rails (5.0.0.1)
-      actionmailer (= 4.2.6)
+      actioncable (= 5.0.0.1)
-      actionpack (= 4.2.6)
+      actionmailer (= 5.0.0.1)
-      actionview (= 4.2.6)
+      actionpack (= 5.0.0.1)
-      activejob (= 4.2.6)
+      actionview (= 5.0.0.1)
-      activemodel (= 4.2.6)
+      activejob (= 5.0.0.1)
-      activerecord (= 4.2.6)
+      activemodel (= 5.0.0.1)
-      activesupport (= 4.2.6)
+      activerecord (= 5.0.0.1)
+      activesupport (= 5.0.0.1)
       bundler (>= 1.3.0, < 2.0)
-      railties (= 4.2.6)
+      railties (= 5.0.0.1)
-      sprockets-rails
+      sprockets-rails (>= 2.0.0)
-    rails-deprecated_sanitizer (1.0.3)
+    rails-dom-testing (2.0.1)
-      activesupport (>= 4.2.0.alpha)
+      activesupport (>= 4.2.0, < 6.0)
-    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 (1.0.3)
       loofah (~> 2.0)
-    railties (4.2.6)
+    railties (5.0.0.1)
-      actionpack (= 4.2.6)
+      actionpack (= 5.0.0.1)
-      activesupport (= 4.2.6)
+      activesupport (= 5.0.0.1)
+      method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (11.1.2)
+    rake (11.3.0)
     rspec (3.3.0)
       rspec-core (~> 3.3.0)
       rspec-expectations (~> 3.3.0)
@@ -108,10 +110,10 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.3.0)
     rspec-support (3.3.0)
-    sprockets (3.6.0)
+    sprockets (3.7.0)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
-    sprockets-rails (3.0.4)
+    sprockets-rails (3.2.0)
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
@@ -120,6 +122,11 @@ GEM
     thread_safe (0.3.5-java)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
+    websocket-driver (0.6.4)
+      websocket-extensions (>= 0.1.0)
+    websocket-driver (0.6.4-java)
+      websocket-extensions (>= 0.1.0)
+    websocket-extensions (0.1.2)
 
 PLATFORMS
   java