Lets JSMESS run at the optimal speed for your system.

> azakai: emscripten_set_main_loop(.., 0) will use requestAnimationFrame and should run at the machines optimal refresh rate (for the monitor)
>
> SketchCow: Uh.
>
> SketchCow: Guys.
>
> SketchCow: 100%
Merge branch 'more-automation' of https://github.com/vitorio/jsmess into c64-emscripten
Add outlining, replace IBM 5150 files
Bugfix for MAME systems
Merge pull request #24 from vitorio/c64-emscripten

Updating to latest emscripten