Add all prisons
Darken pink error background
Update error messages for prison not in service

Finishes #75181726
Add coming soon reason to relevant prisons
Group specs for enabled prisons
Fix specs for enabled prisons
Fix "available" typo in prison name error
Better specs for prison config data
Remove unnecessary html_safe
Merge pull request #60 from ministryofjustice/all_prisons

All prisons