fix some javadoc and add missing javadoc
Merge branch 'master' of github.com:InformatriX/informatrix

Conflicts:
	server/src/at/ac/uibk/informatrix/ride4earth/api/controller/CommunityUserController.java
	server/src/at/ac/uibk/informatrix/ride4earth/logic/facade/SupporterService.java