Fix empty title with new documents

www/code/main.js

@@ -174,7 +174,9 @@ define([
                         defaultTitle: defaultName
                     }
                 };
-                obj.metadata.title = document.title;
+                if (!initializing) {
+                    obj.metadata.title = document.title;
+                }
                 // set mode too...
                 obj.highlightMode = module.highlightMode;
 
@@ -348,6 +350,7 @@ define([
             var updateMetadata = function(shjson) {
                 // Extract the user list (metadata) from the hyperjson
                 var json = (shjson === "") ? "" : JSON.parse(shjson);
+                var titleUpdated = false;
                 if (json && json.metadata) {
                     if (json.metadata.users) {
                         var userData = json.metadata.users;
@@ -359,8 +362,12 @@ define([
                     }
                     if (typeof json.metadata.title !== "undefined") {
                         updateTitle(json.metadata.title || defaultName);
+                        titleUpdated = true;
                     }
                 }
+                if (!titleUpdated) {
+                    updateTitle(defaultName);
+                }
             };
 
              var onInit = config.onInit = function (info) {