Added new sublayer to draw the background lighting image correctly in @2x. This fixes part of #669.
Adds a bunch of @2x console icons.
Add TurboGrafx/PC Engine @2x icons.
Update Higan submodule
Merge pull request #720 from RickyRomero/master

Adds a bunch of @2x console icons.
Set default cores for GBA and NES
Disable PPSSPP from build process
Removed PPSSPP submodule
Add PPSSPP submodule back in
Added PS4 Dualshock 4 to Controller-Database
Added PS4 Dualshock 4 mappings for all system plugins
Update GenplusGX submodule
Update GenplusGX submodule
Restores cheats loading on clean launch

Previously the database would only load when a save state was restoring
Updated About Window to new layout
Update UME submodule
Update Arcade system plugin
Temp fix for a QC/CI related crash on 10.9

Need to probably use IOSurfaceIncrementUseCount or just remove as much core image and QC cruft as possible. Crashlog https://gist.github.com/clobber/7554915
Update picodrive submodule
Available libraries in prefs scroll instead of expanding off screen