Crafted LevelUnlock Procedure in LevelUnlock
Merge remote-tracking branch 'origin/master'

Conflicts:
	app/src/main/java/gtsoffenbach/nfcgamespieler_appprototype/LoadingScreen.java
	app/src/main/java/gtsoffenbach/nfcgamespieler_appprototype/ProgressScreen.java
force push