OS X: QuickLook: use animated gifs to show the memory card image.

git-svn-id: https://pcsxr.svn.codeplex.com/svn/pcsxr@91191 e17a0e51-4ae3-4d35-97c3-1a29b211df97
OS X: QuickLook: some minor tweaking.
The generator will use the same APIs as the gif generator if there is only one image. It will still generate a PNG file.

git-svn-id: https://pcsxr.svn.codeplex.com/svn/pcsxr@91192 e17a0e51-4ae3-4d35-97c3-1a29b211df97
OS X: QuickLook: some minor tweaking.


git-svn-id: https://pcsxr.svn.codeplex.com/svn/pcsxr@91193 e17a0e51-4ae3-4d35-97c3-1a29b211df97