Updated Galician translations
Updated Czeach translation
media-export: Allow removal of children

There's no "RemoveReference", so PlaylistContainer needs to allow and
support DestroyObject
media-export: Support playlists in XBox 360
media-engine: Warn when fail to setup source

Print a proper warning if we fail to create a source and not just some
obscure "Not found" error.
rygel: Add option to shut down a remote instance
media-engine: Fix typo
data: Fix typo in preset
ui: Declare cell renderer in glade
ui: Drop some obsolete things
ui: Set toolbar style from glade
ui: Support multiple network interfaces
media-engine: Don't crash on missing RTP depayloader
Updated POTFILES.in
Updated Lithuanian translation
server: Add a M3U resource to containers
server: Fix playlist transfer mode handling
tests: Adapt to latest changes
.gitignore: Ignore .trs files
i18n: Update POTFILES.skip