-doxygen

git-svn-id: https://gnunet.org/svn/gnunet@31165 140774ce-b5e7-0310-ab8b-a85725594a96
-remove object from all_routes peer map before freeing it, should fix #3161

git-svn-id: https://gnunet.org/svn/gnunet@31166 140774ce-b5e7-0310-ab8b-a85725594a96