Added icon file and renamed app to xkcd comic
Changed all images to use filtering, makes space for 10 more images.
Modified fix_png for smaller compression, added persistent memory for index, added new comics.
Added missing comics, cleaned up python.png comic.
Cleaned up sudo comic.
Added new commit, cleaned up some old ones.
Added new faust eula comic, used pngcrush to fit it.  Fixed gen_animation_style_config to handle ignoring menu icon.