Delete blank deallocs from the iOS project.
Refer directly to the SVGKLayer class instead of looking it up in NSClassFromString.
Include more headers in the iOS prefix header.
Apparently TARGET_OS_MAC is defined on iOS.
Merge branch 'master' into imageRep
Merge branch 'imageRep' into arc

Conflicts:
	Source/UIKit additions/SVGKImageView.m
	Source/UIKit additions/SVGKLayeredImageView.m