Profiles - Only load nodes after the entire profile structure loaded

Profiles - Added API to get all render elements
Nodes - Added layer property node

src/Artemis.Core/Models/Profile/DataBindings/DataBinding.cs

@@ -242,7 +242,11 @@ namespace Artemis.Core
 
             EasingTime = Entity.EasingTime;
             EasingFunction = (Easings.Functions) Entity.EasingFunction;
+        }
 
+        /// <inheritdoc />
+        public void LoadNodeScript()
+        {
             Script.Dispose();
             Script = Entity.NodeScript != null
                 ? new NodeScript<TProperty>(GetScriptName(), "The value to put into the data binding", Entity.NodeScript, LayerProperty.ProfileElement.Profile)

src/Artemis.Core/Models/Profile/DataBindings/DataBindingRegistration.cs

@@ -67,7 +67,7 @@ namespace Artemis.Core
             DataBinding = new DataBinding<TLayerProperty, TProperty>(LayerProperty, dataBinding);
             return DataBinding;
         }
-
+        
         /// <inheritdoc />
         public void ClearDataBinding()
         {

src/Artemis.Core/Models/Profile/DataBindings/IDataBinding.cs

@@ -19,5 +19,10 @@ namespace Artemis.Core
         ///     Applies the data binding to the layer property
         /// </summary>
         void Apply();
+        
+        /// <summary>
+        ///     If the data binding is enabled, loads the node script for that data binding
+        /// </summary>
+        void LoadNodeScript();
     }
 }