shairport: improve config and init script (disabled, respawn, err file, meta dir, audio output options).

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Merge pull request #480 from Noltari/shairport-next

shairport: improve config and init script
ffmpeg: Upgrade to 2.4.2. Supress libffmpeg-custom when ALL selected

Signed-off-by: Ted Hess <thess@kitschensync.net>
db47: Drop -full variant and integrate it into the normal one

Signed-off-by: Marcel Denia <naoir@gmx.net>
collectd: unbreak collectd-mod-sensors

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>
luci-app-ocserv and luci-proto-openconnect were moved to openwrt/luci repo

Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>