-doxygen, indentation, code cleanup

git-svn-id: https://gnunet.org/svn/gnunet@32241 140774ce-b5e7-0310-ab8b-a85725594a96
-doxygen, indentation, code cleanup

git-svn-id: https://gnunet.org/svn/gnunet@32242 140774ce-b5e7-0310-ab8b-a85725594a96