Update to v094r42 release.

byuu says:

I imagine you guys will like this WIP very much.

Changelog:
- ListView check boxes on Windows
- ListView removal of columns on reset (changing input dropdowns)
- DirectSound audio duplication on latency change
- DirectSound crash on 20ms latency
- Fullscreen window sizing in multi-monitor setups
- Allow joypad bindings of hotkeys
- Allow triggers to be mapped (Xbox 360 / XInput / Windows only)
- Support joypad rumble for Game Boy Player
- Video scale settings modified from {1x,2x,3x} to {2x,3x,4x}
- System menu now renames to active emulation core
- Added fast forward hotkey

Not changing for v095:
- not adding input focus settings yet
- not adding shaders yet

Not changing at all:
- not implementing maximize

ruby/audio/directsound.cpp

@@ -63,7 +63,8 @@ struct AudioDS : Audio {
     }
 
     if(name == Audio::Latency && value.is<unsigned>()) {
-      settings.latency = value.get<unsigned>();
+      //latency settings below 40ms causes DirectSound to hang
+      settings.latency = max(40u, value.get<unsigned>());
       if(ds) init();
       return true;
     }