Fixed typo in OEPrefDebugController.m
Merge pull request #1439 from itsgreggreg/screenshot-typo

Fixed typo in OEPrefDebugController.m
Reduce subtitle font size in grid view.
Print dates of save states a little nicer.
Use new grid view for retrodes.
Ignore clicks on group headers.
Fix blank slate for collections.
Fixes #1447
Added debug pref for showing audio output device selection in HUD. Fixes #945
Warn if Bluetooth is not enabled when attempting to connect a Wii device. Fixes #814
Try not to crash when cores are corrupt (related to #1457).