Merge branch 'rs-update-jquery' into 'master'

Bump jquery-rails to ~> 4.0.0, jquery-ui-rails to ~> 5.0.0

Closes #2859 

See merge request !2183

Gemfile

@@ -202,9 +202,9 @@ gem 'font-awesome-rails', '~> 4.2'
 gem 'gitlab_emoji',       '~> 0.2.0'
 gem 'gon',                '~> 6.0.1'
 gem 'jquery-atwho-rails', '~> 1.3.2'
-gem 'jquery-rails',       '~> 3.1.3'
+gem 'jquery-rails',       '~> 4.0.0'
 gem 'jquery-scrollto-rails', '~> 1.4.3'
-gem 'jquery-ui-rails',    '~> 4.2.1'
+gem 'jquery-ui-rails',    '~> 5.0.0'
 gem 'nprogress-rails',    '~> 0.1.6.7'
 gem 'raphael-rails',      '~> 2.1.2'
 gem 'request_store',      '~> 1.2.0'

Gemfile.lock

@@ -372,15 +372,16 @@ GEM
     inflecto (0.0.2)
     ipaddress (0.8.0)
     jquery-atwho-rails (1.3.2)
-    jquery-rails (3.1.4)
-      railties (>= 3.0, < 5.0)
+    jquery-rails (4.0.5)
+      rails-dom-testing (~> 1.0)
+      railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
     jquery-scrollto-rails (1.4.3)
       railties (> 3.1, < 5.0)
     jquery-turbolinks (2.1.0)
       railties (>= 3.1.0)
       turbolinks
-    jquery-ui-rails (4.2.1)
+    jquery-ui-rails (5.0.5)
       railties (>= 3.2.16)
     json (1.8.3)
     jwt (1.5.2)
@@ -879,10 +880,10 @@ DEPENDENCIES
   html-pipeline (~> 1.11.0)
   httparty (~> 0.13.3)
   jquery-atwho-rails (~> 1.3.2)
-  jquery-rails (~> 3.1.3)
+  jquery-rails (~> 4.0.0)
   jquery-scrollto-rails (~> 1.4.3)
   jquery-turbolinks (~> 2.1.0)
-  jquery-ui-rails (~> 4.2.1)
+  jquery-ui-rails (~> 5.0.0)
   kaminari (~> 0.16.3)
   letter_opener (~> 1.1.2)
   mail_room (~> 0.6.1)

app/assets/javascripts/application.js.coffee

@@ -5,7 +5,7 @@
 # the compiled file.
 #
 #= require jquery
-#= require jquery.ui.all
+#= require jquery-ui
 #= require jquery_ujs
 #= require jquery.cookie
 #= require jquery.endless-scroll

app/assets/stylesheets/application.scss

@@ -2,8 +2,8 @@
  * This is a manifest file that'll automatically include all the stylesheets available in this directory
  * and any sub-directories. You're free to add application-wide styles to this file and they'll appear at
  * the top of the compiled file, but it's generally better to create a new file per style scope.
- *= require jquery.ui.datepicker
- *= require jquery.ui.autocomplete
+ *= require jquery-ui/datepicker
+ *= require jquery-ui/autocomplete
  *= require jquery.atwho
  *= require select2
  *= require_self