- don't resend create messages for channels being destroyed


git-svn-id: https://gnunet.org/svn/gnunet@31868 140774ce-b5e7-0310-ab8b-a85725594a96
- use proper log function


git-svn-id: https://gnunet.org/svn/gnunet@31869 140774ce-b5e7-0310-ab8b-a85725594a96
- fix error messages


git-svn-id: https://gnunet.org/svn/gnunet@31870 140774ce-b5e7-0310-ab8b-a85725594a96
- add user feedback


git-svn-id: https://gnunet.org/svn/gnunet@31871 140774ce-b5e7-0310-ab8b-a85725594a96