Pink copy changes

**DON'T MERGE**

It needs some love & attention, possibly discussion with @axemonkey 

Implemented the changes for this ticket:

https://www.pivotaltracker.com/story/show/72079110

Left out the changes, marked with **TODO** to discuss with @axemonkey when he's in:
https://github.com/ministryofjustice/accelerated_claims/commit/bf8da12f5694ac9ca6134fce258058c2e3bf37ce