Bugfix cb messages in modal dialog
Changed nginx client_max_body_size to 5 meg.
Merge pull request #454 from ministryofjustice/feature/cb_modal_bugfixes

Bugfix cb messages in modal dialog
Add copy address button to third party
Merge pull request #457 from ministryofjustice/feature/copy-address

Add copy address button to third party
WIP: initial call me back sla timer
Update callback SLA directive
Fix JSHint warnings