Datamodels - A few small fixes to fix errors during startup

Layer properties - Reimplemented property tree
Stylet - Add support for binding views to generic VMs

src/Artemis.Core/Models/Profile/LayerProperties/BaseLayerProperty.cs

@@ -13,6 +13,11 @@ namespace Artemis.Core.Models.Profile.LayerProperties
         {
         }
 
+        /// <summary>
+        ///     The parent group of this layer property, set after construction
+        /// </summary>
+        public LayerPropertyGroup Parent { get; internal set; }
+
         /// <summary>
         ///     Gets whether keyframes are supported on this property
         /// </summary>