added fix for wrong color/alpha display on iOS 7 simulator
removed warnings when compiling for 64 bit

This is actually just an intermediate solution. It would probably be better to change all Sparrow APIs to use 'NSInteger' and 'NSUInteger' instead of 'int' and 'uint'. But for now, this solution works.
hiding status bar sample apps on iOS 7
fixed PMA texture usage on actual iOS 7 devices
added a 'texture' property, as well as 'regionByName:' and 'frameByName:' methods to SPTextureAtlas
some more small 64 bit changes
Merge remote-tracking branch 'upstream/master'

Conflicts:
	sparrow/src/Classes/SPTexture.m