Make following a link inside of the iframe only fail rather than carrying the iframe away from the pad.

www/common/sframe-boot2.js

@@ -10,6 +10,17 @@ define(['/common/requireconfig.js'], function (RequireConfig) {
         };
     }
 
+    // In the event that someone clicks a link in the iframe, it's going to cause the iframe
+    // to navigate away from the pad which is going to be a mess. Instead we'll just reload
+    // the top level and then it will be simply that a link doesn't work properly.
+    window.onunload = function () {
+        window.parent.location.reload();
+    };
+
+    // Make sure anything which might have leaked to the localstorage is always cleaned up.
+    try { window.localStorage.clear(); } catch (e) { }
+    try { window.sessionStorage.clear(); } catch (e) { }
+
     var mkFakeStore = function () {
         var fakeStorage = {
             getItem: function (k) { return fakeStorage[k]; },