update user
Added a menu button
Forgot and reset password
Can detect email already in use
Merge branch 'develop' into feature/challenges_Webservice

Conflicts:
	gbk/gbk/GBKAppDelegate.m
	gbk/gbk/Source/API/GBKApiCommunicator.h
	gbk/gbk/Source/API/GBKApiManager.m
re-did my changes after merge.