clean up once again
Merge branch 'master' of https://github.com/msobo/MPGI3_WS1314_HA3_Vorgabe

Conflicts:
	drivenow/Drivenow.java
	drivenow/SekretaerBoundary.java
	drivenow/Systemereignis.java
	drivenow/Theoriestunden_Collection.java
	drivenow/tests/BeispielTest.java