added new delegate method to tell user chosen passCode
new properties and update numberButtonClick to handle adding new passCode
updated resetClick too
Merge branch 'pinpad-with-setting-state' of github.com:ihomam/PinPad into ihomam-pinpad-with-setting-state

Conflicts:
	PinPadExample/PinPad/PPPinPadViewController.h
	PinPadExample/PinPad/PPPinPadViewController.m
Add info