Fix some warnings, update projects, etc.
Fix last commit (& appcast url).
Make sure we consistently use lowercase hash strings.
Add debug action to cleanup rom hashes and fix a bug where -stateFolderURLForROM: would crash for homebrew games.
Add debug action to remove duplicated rome.
Start rewriting save states.
Add database sanity check action to debug pane.
Update sanity check.
Improve media view controller group detection.
reimplement OEDBSaveState -moveToDefaultLocation.
Add more sophisticated save state cleanup action.
Finish save states rewrite.