Revert "Don't call resignKeyWindow because Apple's documentation says to never call it directly. Instead of explicitly resigning a UIWindow, call makeKeyAndVisible on the window that should take over."

This reverts commit b036b798cf146d744e7e3fdf3226d3156220d32b.
Merge branch 'master' of https://github.com/CapoChino/SafeUINavigationController into remove_resign

Conflicts:
	SafeUINavigationController.m