Merge pull request #146 from mono/master

Replace Create factory methods with constructors
added notes about the refactor and some typo fixes.
mono #124
separating out the ouya specific code.
Merge branch 'master' of https://github.com/totallyevil/cocos2d-xna
Added the PSM project for box2d.
changed the icon to include xna branding.
windows GL project compatible version of box2d.
wingl version of the library.
Add explicit conversion to and from CCPoint and CCSize.