Create backbone models/views for assets.

cleanup

Updates.

Testing changes.

Testing changes.

asset-index progress state cleanjup.

cleanup

cms/static/js/models/asset.js

@@ -0,0 +1,17 @@
+/**
+ * Simple model for an asset.
+ */
+CMS.Models.Asset = Backbone.Model.extend({
+    defaults: {
+        display_name: "",
+        thumbnail: "",
+        date_added: "",
+        url: "",
+        portable_url: "",
+        is_locked: false
+    },
+
+    url: function() {
+        return CMS.URL.UPDATE_ASSET + this.id;
+    }
+});

cms/static/js/models/assets.js

@@ -0,0 +1,3 @@
+CMS.Models.AssetCollection = Backbone.Collection.extend({
+    model : CMS.Models.Asset
+});