Diff game re-write part 2

- Make both image frames a bit larger
- Add custom border background and ability to change its colors on runtime
- Add errors to all 5 levels
- Add functionality to construct different colored circular counters
- Restarting in diff game no longer restarts entire game, only current level
- Cheats are no longer enabled on default, they must be enabled in the inspector
Merge branch 'dev' of https://github.com/MetropoliaPortal/Mimmit into dev