[COS] Bugfixes
Merge branch 'master' of https://github.com/csscheuermann/seekret

Conflicts:
	GAE-SEEKRET-Backend/Seekret/war/WEB-INF/clusterAPI-v1.api
	GAE-SEEKRET-Backend/Seekret/war/WEB-INF/ratingAPI-v1.api
	GAE-SEEKRET-Backend/Seekret/war/WEB-INF/spotAPI-v1.api
	GAE-SEEKRET-Backend/Seekret/war/WEB-INF/userAPI-v1.api