new sensors + fixes


git-svn-id: https://gnunet.org/svn/gnunet@33736 140774ce-b5e7-0310-ab8b-a85725594a96
additional sensor files


git-svn-id: https://gnunet.org/svn/gnunet@33737 140774ce-b5e7-0310-ab8b-a85725594a96