Removing duplication for Code Climate
further refactoring
Merge pull request #431 from ministryofjustice/remove-duplication

Removing duplication for Code Climate
revert to beta header and commented out CSS for live header - to get master back to deployable state
Upgraded rails to 4.1.15

Due to security issue
https://groups.google.com/forum/#!topic/rubyonrails-security/M4chq5Sb540