libgmpris:
Jussi Laako <jussi@sonarnerd.net>

MPRIS spec:
    Copyright © 2006-2012 the VideoLAN team (Mirsal Ennaime, Rafaël Carré, Jean-Paul Saman)
    Copyright © 2005-2008 Milosz Derezynski
    Copyright © 2008 Nick Welch
    Copyright © 2010-2012 Alex Merry
