Fixes bugs in VideoSSRCHack. Additional log messages.

modules/xmpp/JingleSession.js

         remove = VideoSSRCHack.processSourceRemove(remove);
 
     if (removed && remove) {
+        console.info("Sending source-remove", remove);
         this.connection.sendIQ(remove,
             function (res) {
                 console.info('got remove result', res);
     if (added)
         add = VideoSSRCHack.processSourceAdd(add);
 
-    if (added & add) {
+    if (added && add) {
+        console.info("Sending source-add", add);
         this.connection.sendIQ(add,
             function (res) {
                 console.info('got add result', res);

modules/xmpp/VideoSSRCHack.js

  *          other SSRCs left to be signaled after removing it.
  */
 var filterOutSource = function (modifyIq, actionName) {
+    var modifyIqTree = $(modifyIq.tree());
+
     if (!localVideoSSRC)
-        return modifyIq;
+        return modifyIqTree[0];
 
-    var modifyIqTree = $(modifyIq.tree());
     var videoSSRC = modifyIqTree.find(
         '>jingle>content[name="video"]' +
         '>description>source[ssrc="' + localVideoSSRC + '"]');
 
     if (!videoSSRC.length) {
-        return modifyIqTree;
+        return modifyIqTree[0];
     }
 
     console.info(
 
     // Check if any sources still left to be added/removed
     if (modifyIqTree.find('>jingle>content>description>source').length) {
-        return modifyIqTree;
+        return modifyIqTree[0];
     } else {
         return null;
     }