Disable Quick Save menu item and save state action if a core doesn't support it
Removed Retrolink automapping support to reduce conflicts #792

We cannot reasonably tell these apart from their other gamepads and clones that all reuse the exact same HID device descriptor product name and vendor/product IDs.
Check the md5 hash when importing bios/system files
Show a warning for cores that have glitches and compatibility issues
Rearrange methods in OEApplicationDelegate.
Update core submodule refs
Set version 1.0.3