peerstore API now uses MQ


git-svn-id: https://gnunet.org/svn/gnunet@33309 140774ce-b5e7-0310-ab8b-a85725594a96
minor fixes


git-svn-id: https://gnunet.org/svn/gnunet@33310 140774ce-b5e7-0310-ab8b-a85725594a96