* Explain what version this is in the readme.
* Add a warning to the emulator when it starts.
* Set up a visually distinct theme, in red.
* Set up a distinct system folder, EXPSFC.
* Change the Makefile to build to expsfc.plg.
CATSFC/system/gui/boot.bmp: Remove the Engrish, although it was funny ("Enjoy yourself! All pleasure in it"). Replace it with a controller and the text "Loading...".
catsfc.bmp: Remove the CAT and replace it with a controller. In the .ini, it's already written as CATSFC anyway.
copyright: Update with image attribution per CC-BY-NC-ND 3.0.
source/images: Create, with .psd files for the two modified .bmp files.