Merge pull request #1 from JohnnyonFlame/master

Implement alpha-blended selection bar
menu.cpp: Redo the coordinates of the saved state menu based on the SNES Game box.
Remove the highlight bar image, which became unused.
Makefile: Restore optimisations. This somehow fixes Star Fox, and I have no idea why. Serendipity!
Merge pull request #2 from JohnnyonFlame/master

Fixed black-dot issue