-modernize AC calls - #2871

git-svn-id: https://gnunet.org/svn/libmicrohttpd@26989 140774ce-b5e7-0310-ab8b-a85725594a96
adding support for quiesce

git-svn-id: https://gnunet.org/svn/libmicrohttpd@26993 140774ce-b5e7-0310-ab8b-a85725594a96
handle case where poll/select have nothing left to do

git-svn-id: https://gnunet.org/svn/libmicrohttpd@26996 140774ce-b5e7-0310-ab8b-a85725594a96
adding testcase for quiesce from Scott Goldman

git-svn-id: https://gnunet.org/svn/libmicrohttpd@26997 140774ce-b5e7-0310-ab8b-a85725594a96