Dependencies/fmdb: sync with FMDB head.
MumbleKit: sync.
MUApplicationDelegate: remove unused MKAudioDelegate protocol and its methods.
LICENSE: update copyright years to include 2014.
Resources/Legal.html: update Karsten Bruns's Twitter username.
MumbleKit: sync.
MUApplicationDelegate: explicitly disable mixer debugging for all builds.
Resources/Legal.html: sync COPYING files, etc.
MumbleKit: sync.