v0.4.9.12

Experimental release of c port of SC Controller.

Reuses GUI from python version and a lot of stuff doesn't work yet, but what works works on Windows, BSD and Linux.

See this wiki page on how to use scc on Windows and report issues, preferably here.

Fixes since v0.4.9.11

• A lot of OSD menu fixes (including #582, #578)
• Mouse jitter when holding in one direction with joystick (#576)
• Not possible to move mouse and hold button in same action (#581)
• Missin modeshift buttons (#585)