improve error reporting for malformed URIs in search results to help diagnose #3395

git-svn-id: https://gnunet.org/svn/gnunet@33237 140774ce-b5e7-0310-ab8b-a85725594a96
-po update

git-svn-id: https://gnunet.org/svn/gnunet@33238 140774ce-b5e7-0310-ab8b-a85725594a96
-ignore (mesh->cadet renaming...)

git-svn-id: https://gnunet.org/svn/gnunet@33239 140774ce-b5e7-0310-ab8b-a85725594a96