Git ignore

	modified:   AppDelegate.m
	modified:   DefaultSettingsViewController.h
	modified:   LoginUserViewController.h
	modified:   LoginUserViewController.m
	modified:   ResearchViewViewController.h
	modified:   ResearchViewViewController.m
	modified:   SignInViewController.h
	modified:   SignInViewController.m
	modified:   StartViewController.h
	modified:   StartViewController.m
	modified:   researchDoc.h
	modified:   researchDoc.m
	modified:   testViewController.xib