Add stubs for _sceAtracGetContextAddress
Add a very quick reset command.

Should work unless stop times out.  Helps debugging a bit.
Merge pull request #571 from unknownbrackets/emu-reset

Add a very quick reset command
Merge pull request #570 from raven02/master

Add stubs for _sceAtracGetContextAddress
Make sceKernelStartModule() do something.

Doesn't work right, but gets somewhere?
Don't follow -1 entry points, they're bad mojo.