detecting duplicate connects


git-svn-id: https://gnunet.org/svn/gnunet@33853 140774ce-b5e7-0310-ab8b-a85725594a96
if suggested address == primary address only update quotas


git-svn-id: https://gnunet.org/svn/gnunet@33854 140774ce-b5e7-0310-ab8b-a85725594a96
reduced debug level


git-svn-id: https://gnunet.org/svn/gnunet@33855 140774ce-b5e7-0310-ab8b-a85725594a96