login/logout
autolayout arreglat
autolayout fixed
Merge branch 'tutorialjoan' into developer

Conflicts:
	ARApp.xcodeproj/project.pbxproj
	ARApp/Base.lproj/Login.storyboard
	ARApp/Base.lproj/Ranking.storyboard
	ARApp/Base.lproj/User.storyboard
	ARApp/Classes/SignUpVC.m
	Pods/Pods.xcodeproj/xcuserdata/Pau.xcuserdatad/xcschemes/xcschememanagement.plist