Fixed errors when saving quests
Merge branch 'master' of https://github.com/chas0rde/MC-Schnitzeljagd

Conflicts:
	MC-Schnitzeljagd-Android/src/de/hsb/kss/mc_schnitzeljagd/logic/AbstractGameLogic.java
	MC-Schnitzeljagd-Android/src/de/hsb/kss/mc_schnitzeljagd/ui/HintActivity.java
	MC-Schnitzeljagd-AppEngine/war/WEB-INF/messageEndpoint-v1.api