Add global register feature

Tweak admin field app

Fix typo

Tweaks

Fix typo

www/scripts/apps/admin/fields/errors/error.js

@@ -0,0 +1,13 @@
+define([
+    "jquery",
+    "underscore"
+], function($, _) {
+
+    var Error = function (model, fieldId, message) {
+        this.model = model;
+        this.fieldId = fieldId;
+        this.message = message;
+    };
+
+    return Error;
+});