Implement the fifth mode, Front <-> Back Randomly.
Use a toolbar in the detail view.
Fix layout on startup.
Rename vocabulary and identifiers (iPad).
Rename vocabulary and identifiers (iPhone).
Consistent background for the new file view.
Use the isEmpty function.
Update iPhoneMK submodule.
Update Reachability submodule.
Update MDSpreadView submodule.
Version bump.