linux: update to linux-3.9.3
projects/*/linux/linux.*.conf: sync for 3.9.3 (rtc)
service.openelec.settings: update to service.openelec.settings-0.1.19
CouchPotatoServer: update to CouchPotatoServer-5c0d8a7
Headphones: update to Headphones-452cf15
SABnzbd-Suit: ups. don't depend on couchpotato
SABnzbd-Suite: bump version
makemkv: update to makemkv-1.8.2

closes #2311