fixed screen displacement on ios version

This update from Apple will improve the functionality of this app. No new features are included.

update for 64-bit compatibility

fixed crash on entering certain rooms

ios8 support
iphone 5 support
minor change to prevent a stuck configuration on "highway" screen

- undo reminder.
- barely perceptible control tweak.
- minor level change.

- fixed crash on startup on some phone models.
- minor map modifications.
- slower skeletons.