Re-arranging requires in application.js

app/assets/javascripts/application.js

@@ -12,6 +12,7 @@
 //
 //= require jquery
 //= require jquery_ujs
+//= require dataTables/jquery.dataTables
 //= require_tree .
 //= require bootstrap
-//= require dataTables/jquery.dataTables
+

config/application.rb

@@ -21,7 +21,7 @@ module Wrestling
     # config.i18n.default_locale = :de
 	
 	#Add Bootstrap SAAS to asset pipeline
-    config.assets.precompile = false
+    config.assets.precompile += %w(*.png *.jpg *.jpeg *.gif)
     config.active_job.queue_adapter = :delayed_job
   end
 

config/environments/production.rb

@@ -80,10 +80,10 @@ Wrestling::Application.configure do
 
 
   #THESE ADDED BY ME TO GET RAILS 4 WORKING IN HEROKU
-  # config.cache_classes = true
-  # config.serve_static_assets = true
-  # config.assets.compile = true
-  # config.assets.digest = true
+  config.cache_classes = true
+  config.serve_static_assets = true
+  config.assets.compile = true
+  config.assets.digest = true
 
   #Added by me to force SSL in production
   config.force_ssl = true