Qucik fix for gzipped and encrypted pvr files. Need to handle ccz files.
CCZ files can be loaded. Size hints are used.
CCZ files can be loaded. Size hints are used.
Merge branch 'CCImage' of https://github.com/andykorth/cocos2d-iphone into CCImage
Minor cleanup
Whitespace fixes.
Add CCImageTests.
Merge branch 'CCImage' into CCTexture

Conflicts:
	cocos2d/CCTexturePVR.m
In progress changes for PVR loading.
Rewrote the PVR file loader to use CCFile streams.
PVR cube map loading.