https://bugzilla.gnome.org/show_bug.cgi?id=795610
Original commit message from CVS: Added status of the documents
Original commit message from CVS: Reworked the capsnegotiation function audiosink now uses capsnego to set its parameters mpg123/ac3dec use capsnego instead of metadata Added the beginnings of a testsuite for capsnego.
Original commit message from CVS: Added the first part of a uses case doc on caps nego