I did the error handling in Login

Check Login Activity.java file
Merge remote-tracking branch 'origin/master'

Conflicts:
	TabsWithSwipeGesture/bin/SIMBA.apk
	TabsWithSwipeGesture/bin/classes.dex

	TabsWithSwipeGesture/bin/classes/com/SIMBA/Welcome/LoginActivity$LoginTask.class

	TabsWithSwipeGesture/bin/classes/com/SIMBA/Welcome/SignUpActivity$1.class

	TabsWithSwipeGesture/bin/classes/com/SIMBA/Welcome/SignUpActivity$RegistrationTask.class
	TabsWithSwipeGesture/bin/resources.ap_