Color codes for price groups
Reservations now have an expiration date and can be expired by a garbage collector
Having a user fixture
Removed debug code
Associating reservations to users
Refactoring: Moved the whole "current reservation" stuff to POSBundle
Some more refactoring and namespace cleanup; removed coupling between seating unit service and reservation
Rough draft of checkout, as simple as possible
Can basically sell tickets and create PDFs now
Implementing KnpMenu for main menu, having stubs for WebBundle and DoorBundle
Cleaning up translation
Adding a helper function in development to clear the cache on every request
Working on user roles
Showing home link only if logged in
Translation fix
Unified whitespace in yml files
First steps on implementing an ACL
Having another test user
Applying ACLs on tickets, too