Include require 'rails' in config/application.rb as this is what 4.2.1 has in template

eliotsykes · eliotsykes · commit 14117fc3b534 · 2015-05-21T17:42:38.000+01:00
diff --git a/config/application.rb b/config/application.rb
@@ -1,5 +1,6 @@
 require File.expand_path('../boot', __FILE__)
 
+require "rails"
 # Pick the frameworks you want:
 require "active_model/railtie"
 require "active_job/railtie"
