fixed crash when not having a webcam connected
Merge branch 'master' of github.com:Jost4/PhysicASA

Conflicts:
	client/src/asa/client/HighscoreState.java
Merge branch 'master' of github.com:Jost4/PhysicASA

Conflicts:
	client/src/asa/client/HighscoreState.java