fix #3451

git-svn-id: https://gnunet.org/svn/gnunet@33747 140774ce-b5e7-0310-ab8b-a85725594a96
-indentation, doxygen

git-svn-id: https://gnunet.org/svn/gnunet@33748 140774ce-b5e7-0310-ab8b-a85725594a96
-simplify logic a bit, doxygen, indentation

git-svn-id: https://gnunet.org/svn/gnunet@33749 140774ce-b5e7-0310-ab8b-a85725594a96
-doxygen, indentation

git-svn-id: https://gnunet.org/svn/gnunet@33750 140774ce-b5e7-0310-ab8b-a85725594a96
-split up transport_api_monitoring into monitor_peers and monitor_validation

git-svn-id: https://gnunet.org/svn/gnunet@33751 140774ce-b5e7-0310-ab8b-a85725594a96
-doxygen, cleanup

git-svn-id: https://gnunet.org/svn/gnunet@33752 140774ce-b5e7-0310-ab8b-a85725594a96
-doxygen, cleanup

git-svn-id: https://gnunet.org/svn/gnunet@33753 140774ce-b5e7-0310-ab8b-a85725594a96
-doxygen, cleanup

git-svn-id: https://gnunet.org/svn/gnunet@33754 140774ce-b5e7-0310-ab8b-a85725594a96