First implementation for graphics under Cocoa. UNTESTED CVS: Added Files: CVS: src/af/gr/cocoa/GNUmakefile.am CVS: src/af/gr/cocoa/gr_CocoaGraphics.h CVS: src/af/gr/cocoa/gr_CocoaGraphics.mm CVS: src/af/gr/cocoa/gr_CocoaImage.h CVS: src/af/gr/cocoa/gr_CocoaImage.mm Hub
