Adds close page.

When enabled after hanging up redirect to close page, if needed feedback will be displayed.

conference.js

 /**
  * Check if the welcome page is enabled and redirects to it.
  * If requested show a thank you dialog before that.
+ * If we have a close page enabled, redirect to it without
+ * showing any other dialog.
  * @param {boolean} showThankYou whether we should show a thank you dialog
  */
 function maybeRedirectToWelcomePage(showThankYou) {
 
+    // if close page is enabled redirect to it, without further action
+    if (config.enableClosePage) {
+        window.location.pathname = "close.html";
+        return;
+    }
+
     if (showThankYou) {
         APP.UI.messageHandler.openMessageDialog(
             null, null, null,

config.js

     //disableAdaptiveSimulcast: false,
     enableRecording: false,
     enableWelcomePage: true,
+    //enableClosePage: false, // enabling the close page will ignore the welcome
+                              // page redirection when call is hangup
     disableSimulcast: false,
     logStats: false, // Enable logging of PeerConnection stats via the focus
 //    requireDisplayName: true, // Forces the participants that doesn't have display name to enter it when they enter the room.