Deleting checkin files
Removing code referes to checkin
Removing checkins from API
Deleting more bits and bobs regarding checkins
Updating database version
Adding 'Checkin disabled' response to API call
Deleting ci_cumulus theme
Removing references to user_devices
SQL Update to remove ci_cumulus
Merge pull request #1248 from ditorelo/915

Removing CheckIn code