reformating and adding additional log info about hello import


git-svn-id: https://gnunet.org/svn/gnunet@32679 140774ce-b5e7-0310-ab8b-a85725594a96
disabling hello import in configuration 


git-svn-id: https://gnunet.org/svn/gnunet@32680 140774ce-b5e7-0310-ab8b-a85725594a96