-fix docs, fix shutdown

git-svn-id: https://gnunet.org/svn/gnunet@34424 140774ce-b5e7-0310-ab8b-a85725594a96
-fix indent

git-svn-id: https://gnunet.org/svn/gnunet@34425 140774ce-b5e7-0310-ab8b-a85725594a96