-better logging, doxygen, indentation

git-svn-id: https://gnunet.org/svn/gnunet@33505 140774ce-b5e7-0310-ab8b-a85725594a96
-better logging

git-svn-id: https://gnunet.org/svn/gnunet@33506 140774ce-b5e7-0310-ab8b-a85725594a96
-nicer logs

git-svn-id: https://gnunet.org/svn/gnunet@33507 140774ce-b5e7-0310-ab8b-a85725594a96
-initialize cid in hangup message

git-svn-id: https://gnunet.org/svn/gnunet@33509 140774ce-b5e7-0310-ab8b-a85725594a96