Core - Renamed LayerService to RenderElementService

Display conditions - Implemented persistent storage

src/Artemis.Core/Plugins/LayerBrush/Abstract/BaseLayerBrush.cs

@@ -113,7 +113,7 @@ namespace Artemis.Core.Plugins.LayerBrush.Abstract
 
         // Not only is this needed to initialize properties on the layer brushes, it also prevents implementing anything
         // but LayerBrush<T> and RgbNetLayerBrush<T> outside the core
-        internal abstract void Initialize(ILayerService layerService);
+        internal abstract void Initialize(IRenderElementService renderElementService);
 
         internal abstract void InternalRender(SKCanvas canvas, SKImageInfo canvasInfo, SKPath path, SKPaint paint);