Added Latvian translation.
Added Latvian translation.

Tarnyko/rygel,Pelagicore/Media-Manager-Rygel-patched,Tarnyko/rygel,luisbg/rygel,jku/rygel,GNOME/rygel,GNOME/rygel,Pelagicore/Media-Manager-Rygel-patched,GNOME/rygel,jku/rygel,Pelagicore/Media-Manager-Rygel-patched