Include CoreGraphics header (necessary, but usually picked up implicitly from a prefix header, which my project doesn't have).
Merge pull request #7 from th-in-gs/master

Include CoreGraphics header in MOOCGImageWrapper.h
Create icons from pdf data
Merge pull request #9 from MSNexploder/pdf-from-data

Create icons directly from pdf data
Fix vdsp exc_bad_access error
Fixes a warning on kCGImageAlphaNone
Merge pull request #11 from felixLam/pullrequest/warningBitMapInfo

Fixes a warning on kCGImageAlphaNone