obtain radio button labels from localisation file
README cleanup

The README file is getting a bit unwieldy and breaking it up into
smaller parts will make it easier to take in.
Add userzoom js code to layout.
reverse out changes to add delay after Click Continue
remove whitespace
reversing out whitespace changes
Merge pull request #484 from ministryofjustice/userzoom

Userzoom
Merge pull request #483 from ministryofjustice/readme-cleanup

README cleanup
Updated contributing guideline
Merge pull request #485 from ministryofjustice/update-contributing-guide

Updated contributing guideline
comment to explain translation_key() method
Updated the Journey Data usage in the README
Merge pull request #487 from ministryofjustice/readme-test-update

Updated the Journey Data usage in the README
removed radio label text from haml templates into en.yml localization file; raise exception if radio button translation is missing
Merge pull request #488 from ministryofjustice/i18n

Moved radio button labels into en.yml localisation file
removed repetition in localisation file key names by adding an extra level
changed double to single quotes
Merge pull request #489 from ministryofjustice/i18n-2

Removed repetition in localisation file key names
Merge commit '5c3b7c0b91c5c872be4826f7e1cbba1e33bdc78c' into progressive_defendant_address
removed commented out line