Added option for max drag distance
Added support for screen edge recognizers
fixed revealEnabled bug with edge gesture recognizer
Merge pull request #3 from Raizlabs/JL_iPadSupport

Added option for max drag distance
Merge branch 'refs/heads/master' into iOS7_Bounce

Conflicts:
	RZRevealViewController/RZRevealViewController.h
	RZRevealViewController/RZRevealViewController.m