Removing duplication for Code Climate
further refactoring
Added statsd and started on the instrumentation
Merge pull request #431 from ministryofjustice/remove-duplication

Removing duplication for Code Climate
Renamed the PDF instrumentation names

In order to make them clear and obvious what they are for.
Implemented the stats collection for statsd

Reorganised the methods and made the obvious what their functionality is.
revert to beta header and commented out CSS for live header - to get master back to deployable state
Merge pull request #435 from ministryofjustice/pdf-metrics

PDF metrics
Upgraded rails to 4.1.15

Due to security issue
https://groups.google.com/forum/#!topic/rubyonrails-security/M4chq5Sb540
updated brakeman gem to 2.6.2
Merge pull request #434 from ministryofjustice/rails-upgrade-to-4.1.5

Upgraded rails to 4.1.15
Moved cookie bar and added phase banner to app