terms copy and test updated

WIP
Fixed tests
Configure carrier wave file location for specs & cleanup when specs finish
Removing Cookies

Updating tests and renamed file
Merge pull request #424 from ministryofjustice/fix/cleanup-attachments-after-specs

Cleanup Attachements Upon Spec Completion
Merge pull request #425 from ministryofjustice/front-end/copy-updates-28-11

Front end/copy updates 28 11
unhappy path remission message
simplified convoluted yml/slim gumpf for links
No cache

In response to the pen test, set cache headers as appropriate.
Merge pull request #431 from ministryofjustice/enhancement/no-cache

No cache
copy amends ..etc

- removed a few hardcoded links form the locale file
Use BarclayCard test gateway on all hosts except where ENV == 'prod'
Merge pull request #433 from ministryofjustice/bug-fix/correct-barclaycard-env

Use BarclayCard test gateway on all hosts except where ENV == 'prod'
Copy, locale, tests updates

- updated copy
- removed hardcoded paths from locale file
- updated tests to reflect copy amends
Merge pull request #434 from ministryofjustice/front-end/copy-updates-02-12

Front end/copy updates 02 12
Set routes to take a prefix from environment variable