Upstream Changes
[*] Correct handling of multimedia key presses
[*] Fixes to JobManager
[*] Fixes to TexturePacker

Plex/HT Changes
[*] Enabled Peripherals Preferences dialog (Thanks to andresendo for tracking this down!)
[*] Fix some airplay crashes
[*] Numerous Linux stability fixes
[*] Codesigning fix on MacOSX (should fix firewall voes)
[*] Include libass for Windows (should fix subtitles)
