Fix ARGB texture uploading on OS X, fixes speed problem in GWorld video.
Fix ARGB texture uploading on OS X, fixes speed problem in GWorld video.

mpasternak/pyglet-fix-issue-552,gdkar/pyglet,Austin503/pyglet,mpasternak/pyglet-fix-issue-518-522,qbektrix/pyglet,cledio66/pyglet,Austin503/pyglet,xshotD/pyglet,xshotD/pyglet,arifgursel/pyglet,odyaka341/pyglet,gdkar/pyglet,Alwnikrotikz/pyglet,shaileshgoogler/pyglet,qbektrix/pyglet,Austin503/pyglet,kmonsoor/pyglet,gdkar/pyglet,odyaka341/pyglet,gdkar/pyglet,cledio66/pyglet,arifgursel/pyglet,qbektrix/pyglet,mpasternak/pyglet-fix-issue-518-522,qbektrix/pyglet,gdkar/pyglet,shaileshgoogler/pyglet,mpasternak/michaldtz-fix-552,kmonsoor/pyglet,Austin503/pyglet,Alwnikrotikz/pyglet,google-code-export/pyglet,mpasternak/pyglet-fix-issue-552,Alwnikrotikz/pyglet,Austin503/pyglet,xshotD/pyglet,kmonsoor/pyglet,google-code-export/pyglet,kmonsoor/pyglet,google-code-export/pyglet,mpasternak/michaldtz-fixes-518-522,mpasternak/michaldtz-fixes-518-522,arifgursel/pyglet,shaileshgoogler/pyglet,shaileshgoogler/pyglet,google-code-export/pyglet,arifgursel/pyglet,xshotD/pyglet,mpasternak/pyglet-fix-issue-552,Alwnikrotikz/pyglet,mpasternak/pyglet-fix-issue-518-522,mpasternak/michaldtz-fix-552,odyaka341/pyglet,cledio66/pyglet,mpasternak/pyglet-fix-issue-552,xshotD/pyglet,mpasternak/pyglet-fix-issue-518-522,qbektrix/pyglet,odyaka341/pyglet,mpasternak/michaldtz-fixes-518-522,odyaka341/pyglet,mpasternak/michaldtz-fix-552,Alwnikrotikz/pyglet,arifgursel/pyglet,shaileshgoogler/pyglet,google-code-export/pyglet,mpasternak/michaldtz-fixes-518-522,cledio66/pyglet,kmonsoor/pyglet,cledio66/pyglet,mpasternak/michaldtz-fix-552