Update 4DO submodule ref
Adding improved Colecovision art

Based on feedback from Ricky, improve Colecovision art to better fit
with the controller art style for OpenEmu
Merge pull request #1562 from medgno/spelling

Adding improved Colecovision art
Add O2EM submodule
 Add O2EM project to workspace and experimental build scheme
Fix 'edit game controls' and a crash that occurred when deallocating an OEHUDAlert on yosemite.
Update submodules
Update submodules
Add Spanish language files.
Update Spanish files.