Enable notifications in secure pads

www/common/sframe-common.js

@@ -75,6 +75,10 @@ define([
         });
     };
 
+    funcs.notify = function () {
+        ctx.sframeChan.event('EV_NOTIFY');
+    };
+
     funcs.setLoginRedirect = function (cb) {
         ctx.sframeChan.query('Q_SET_LOGIN_REDIRECT', null, function (err) {
             if (cb) { cb(err); }

www/common/sframe-protocol.js

@@ -78,4 +78,8 @@ define({
     'Q_SEND_FRIEND_REQUEST': true, // Up query
     'Q_INCOMING_FRIEND_REQUEST': true, // Down query
     'EV_FRIEND_REQUEST': true, // Down event when the request is complete
+
+    // Set the tab notification when the content of the pad changes
+    'EV_NOTIFY': true,
+
 });