Fix typo lastplay -> lastplayed
Add support for storing per-file settings in file system using extended attributes

This is default on
Add support for extended attributes for OS X file systems
Add missing include
Fix bug for DVDSUB/VOBSUB SPU implicit end time calculation

Fixes #1735
Avoid longs queues of subtitle/audio track changes.

Fixes #1999
Turn on caching for subtitle load requests