Update OpenEmu-SDK submodule
Redrew NDS artwork at 90% scale.
Merge pull request #799 from RickyRomero/master

Redrew NDS artwork at 90% scale.
Fix last remaining Retina images.
Merge pull request #800 from RickyRomero/master

Fix last remaining Retina images.
Fix 2 importer warnings.
Fixes import for files that are dropped on a smart collection.
Fix ‘last Played’ menu.
Update core list after installing a new core. Forces core list in the preferences to be updated as well.
Hard coded predicates for ‘Recently Added’ smart collection.
Inserts initial collections after creating a new database.
Added debug database action to force creation of initial collections.
Mark smart collections as not editable in sidebar.
Fix game info lookup crash.
Removed unused build reference key
Set version to 1.0!
Set ‘Allow Game Scanner’ unchecked by default
Add debug option to take screenshots at native size
Ignore alpha channel when taking screenshots
Update OpenEmu-SDK submodule