local rm_add_to_roster = require "core.rostermanager".add_to_roster;
local rm_roster_push = require "core.rostermanager".roster_push;
-require "core.discomanager".set("roster", "jabber:iq:roster");
+module:add_feature("jabber:iq:roster");
module:add_iq_handler("c2s", "jabber:iq:roster",
function (session, stanza)