Add missing items from cocos2d-iphone 2.1 so that the project builds without errors.

Added references to the project:

* CCFontDefinition.m
* CCFontDefinition.h

Added CoreText.framework to the build phase.
Adding a note about the need to also copy the appropriate licenses to the project.
Merge pull request #171 from dz1111/master

Modifications to the Spine Cocos2d iOS project so that it compiles out-of-the-box in Xcode 5.0.2.