bump rails to the most recent v5

Gemfile

@@ -6,7 +6,7 @@ git_source(:github) do |repo_name|
   "https://github.com/#{repo_name}.git"
 end
 
-gem 'rails', '~> 5.0.1'
+gem 'rails', '~> 5.2.0'
 gem 'pg', '~> 0.19.0'
 gem 'puma', '~> 3.12.1'
 gem 'sass-rails', '~> 5.0'

Gemfile.lock

@@ -8,68 +8,73 @@ GIT
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (5.0.1)
-      actionpack (= 5.0.1)
-      nio4r (~> 1.2)
-      websocket-driver (~> 0.6.1)
-    actionmailer (5.0.1)
-      actionpack (= 5.0.1)
-      actionview (= 5.0.1)
-      activejob (= 5.0.1)
+    actioncable (5.2.3)
+      actionpack (= 5.2.3)
+      nio4r (~> 2.0)
+      websocket-driver (>= 0.6.1)
+    actionmailer (5.2.3)
+      actionpack (= 5.2.3)
+      actionview (= 5.2.3)
+      activejob (= 5.2.3)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.0.1)
-      actionview (= 5.0.1)
-      activesupport (= 5.0.1)
+    actionpack (5.2.3)
+      actionview (= 5.2.3)
+      activesupport (= 5.2.3)
       rack (~> 2.0)
-      rack-test (~> 0.6.3)
+      rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.0.1)
-      activesupport (= 5.0.1)
+    actionview (5.2.3)
+      activesupport (= 5.2.3)
       builder (~> 3.1)
-      erubis (~> 2.7.0)
+      erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    activejob (5.0.1)
-      activesupport (= 5.0.1)
+      rails-html-sanitizer (~> 1.0, >= 1.0.3)
+    activejob (5.2.3)
+      activesupport (= 5.2.3)
       globalid (>= 0.3.6)
-    activemodel (5.0.1)
-      activesupport (= 5.0.1)
-    activerecord (5.0.1)
-      activemodel (= 5.0.1)
-      activesupport (= 5.0.1)
-      arel (~> 7.0)
-    activesupport (5.0.1)
+    activemodel (5.2.3)
+      activesupport (= 5.2.3)
+    activerecord (5.2.3)
+      activemodel (= 5.2.3)
+      activesupport (= 5.2.3)
+      arel (>= 9.0)
+    activestorage (5.2.3)
+      actionpack (= 5.2.3)
+      activerecord (= 5.2.3)
+      marcel (~> 0.3.1)
+    activesupport (5.2.3)
       concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (~> 0.7)
+      i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    arel (7.1.4)
-    awesome_print (1.7.0)
-    builder (3.2.2)
-    byebug (9.0.6)
-    coffee-rails (4.2.1)
+    arel (9.0.0)
+    awesome_print (1.8.0)
+    bindex (0.8.1)
+    builder (3.2.3)
+    byebug (9.1.0)
+    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 (1.1.5)
     crass (1.0.5)
-    debug_inspector (0.0.2)
-    erubis (2.7.0)
+    erubi (1.9.0)
     execjs (2.7.0)
-    ffi (1.11.1)
-    globalid (0.3.7)
-      activesupport (>= 4.1.0)
-    httparty (0.16.2)
+    ffi (1.11.2)
+    globalid (0.4.2)
+      activesupport (>= 4.2.0)
+    httparty (0.16.4)
+      mime-types (~> 3.0)
       multi_xml (>= 0.5.2)
-    i18n (0.7.0)
-    jbuilder (2.6.1)
-      activesupport (>= 3.0.0, < 5.1)
-      multi_json (~> 1.2)
+    i18n (1.7.0)
+      concurrent-ruby (~> 1.0)
+    jbuilder (2.9.1)
+      activesupport (>= 4.2.0)
     jquery-rails (4.2.2)
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
@@ -80,88 +85,95 @@ GEM
     loofah (2.3.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
-    mail (2.6.4)
-      mime-types (>= 1.16, < 4)
-    method_source (0.8.2)
-    mime-types (3.1)
+    mail (2.7.1)
+      mini_mime (>= 0.1.1)
+    marcel (0.3.3)
+      mimemagic (~> 0.3.2)
+    method_source (0.9.2)
+    mime-types (3.3)
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2016.0521)
+    mime-types-data (3.2019.1009)
+    mimemagic (0.3.3)
+    mini_mime (1.0.2)
     mini_portile2 (2.4.0)
-    minitest (5.10.1)
-    multi_json (1.12.1)
+    minitest (5.13.0)
     multi_xml (0.6.0)
-    nio4r (1.2.1)
-    nokogiri (1.10.4)
+    nio4r (2.5.2)
+    nokogiri (1.10.5)
       mini_portile2 (~> 2.4.0)
     pg (0.19.0)
     puma (3.12.1)
     rack (2.0.7)
-    rack-test (0.6.3)
-      rack (>= 1.0)
-    rails (5.0.1)
-      actioncable (= 5.0.1)
-      actionmailer (= 5.0.1)
-      actionpack (= 5.0.1)
-      actionview (= 5.0.1)
-      activejob (= 5.0.1)
-      activemodel (= 5.0.1)
-      activerecord (= 5.0.1)
-      activesupport (= 5.0.1)
-      bundler (>= 1.3.0, < 2.0)
-      railties (= 5.0.1)
+    rack-test (1.1.0)
+      rack (>= 1.0, < 3)
+    rails (5.2.3)
+      actioncable (= 5.2.3)
+      actionmailer (= 5.2.3)
+      actionpack (= 5.2.3)
+      actionview (= 5.2.3)
+      activejob (= 5.2.3)
+      activemodel (= 5.2.3)
+      activerecord (= 5.2.3)
+      activestorage (= 5.2.3)
+      activesupport (= 5.2.3)
+      bundler (>= 1.3.0)
+      railties (= 5.2.3)
       sprockets-rails (>= 2.0.0)
-    rails-dom-testing (2.0.2)
-      activesupport (>= 4.2.0, < 6.0)
-      nokogiri (~> 1.6)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
-    railties (5.0.1)
-      actionpack (= 5.0.1)
-      activesupport (= 5.0.1)
+    rails-dom-testing (2.0.3)
+      activesupport (>= 4.2.0)
+      nokogiri (>= 1.6)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
+    railties (5.2.3)
+      actionpack (= 5.2.3)
+      activesupport (= 5.2.3)
       method_source
       rake (>= 0.8.7)
-      thor (>= 0.18.1, < 2.0)
-    rake (12.0.0)
-    rb-fsevent (0.9.8)
-    rb-inotify (0.9.7)
-      ffi (>= 0.5.0)
-    sass (3.4.23)
-    sass-rails (5.0.6)
-      railties (>= 4.0.0, < 6)
+      thor (>= 0.19.0, < 2.0)
+    rake (13.0.1)
+    rb-fsevent (0.10.3)
+    rb-inotify (0.10.0)
+      ffi (~> 1.0)
+    sass (3.7.4)
+      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 (5.1.0)
+      railties (>= 5.2.0)
       sass (~> 3.1)
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (>= 1.1, < 3)
-    spring (2.0.0)
-      activesupport (>= 4.2)
+    spring (2.1.0)
     spring-watcher-listen (2.0.1)
       listen (>= 2.7, < 4.0)
       spring (>= 1.2, < 3.0)
     sprockets (3.7.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
-    sprockets-rails (3.2.0)
+    sprockets-rails (3.2.1)
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
-    thor (0.19.4)
-    thread_safe (0.3.5)
-    tilt (2.0.5)
-    turbolinks (5.0.1)
-      turbolinks-source (~> 5)
-    turbolinks-source (5.0.0)
-    tzinfo (1.2.2)
+    thor (0.20.3)
+    thread_safe (0.3.6)
+    tilt (2.0.10)
+    turbolinks (5.2.1)
+      turbolinks-source (~> 5.2)
+    turbolinks-source (5.2.0)
+    tzinfo (1.2.5)
       thread_safe (~> 0.1)
-    uglifier (3.0.4)
+    uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
-    web-console (3.4.0)
+    web-console (3.7.0)
       actionview (>= 5.0)
       activemodel (>= 5.0)
-      debug_inspector
+      bindex (>= 0.4.0)
       railties (>= 5.0)
-    websocket-driver (0.6.4)
+    websocket-driver (0.7.1)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.2)
+    websocket-extensions (0.1.4)
 
 PLATFORMS
   ruby
@@ -178,7 +190,7 @@ DEPENDENCIES
   nokogiri
   pg (~> 0.19.0)
   puma (~> 3.12.1)
-  rails (~> 5.0.1)
+  rails (~> 5.2.0)
   sass-rails (~> 5.0)
   spring (~> 2.0)
   spring-watcher-listen (~> 2.0.0)

config/initializers/new_framework_defaults.rb

@@ -17,8 +17,5 @@
 # Require `belongs_to` associations by default. Previous versions had false.
 Rails.application.config.active_record.belongs_to_required_by_default = true
 
-# Do not halt callback chains when a callback returns false. Previous versions had true.
-ActiveSupport.halt_callback_chains_on_return_false = false
-
 # Configure SSL options to enable HSTS with subdomains. Previous versions had false.
 Rails.application.config.ssl_options = { hsts: { subdomains: true } }