Making us less dependant on javascript trust

Many of the microapps are pretty javascript dependant, but at least
we should allow users to get to the new notice field without allowing
javascript to run in the browser. :)

js/util.js

@@ -1414,6 +1414,8 @@ var SN = { // StatusNet
                     SN.Init.NoticeFormSetup(form);
                 })
                 .find('.notice_data-text').focus();
+
+        return false;
     },
 
         showMoreMenuItems: function (menuid) {