Add zlib as dependency

Required for CCZipper

Update Podspec to version 0.0.2

- CCKit.podspec update s.version to 0.0.2

Enable cocoapod

- Added CCKit.podspec (version 0.0.1)
- Added LICENSE (MIT)
- moved CCDefines.h from pch to .m files
- Added CCGroupModel, CCTableRow and CCTableSection to Xcode project
- Update .gitignore