add abstract class and optional delegate
a little bug fix
add to gitignore xcuserstate
gitignore
fixed import viewcontroller
Removed file that shouldn't be tracked
replace imports
little refactoring code
little refactoring code
replace imports in viewcontroller and googlepluslogin
rename delegate metods in socialservicelogin and add spaces in viewcontroller
fixed problem with renamed delegate
Merge pull request #1 from dzmitry-baranau/abstract

Abstract