Core - Streamlined public parts of profile creation

UI - Started adjusting the VMs for the layer refactor

src/Artemis.UI/Screens/ProfileEditor/LayerProperties/Timeline/Rails/LayerPropertyTimelineViewModel.cs

@@ -0,0 +1,26 @@
+using System;
+using Artemis.Core;
+using Stylet;
+
+namespace Artemis.UI.Screens.ProfileEditor.LayerProperties
+{
+    public class LayerPropertyTimelineViewModel<T> : Screen, ILayerPropertyTimelineViewModel
+    {
+        public LayerProperty<T> LayerProperty { get; }
+        public LayerPropertyViewModel LayerPropertyViewModel { get; }
+
+        public LayerPropertyTimelineViewModel(LayerProperty<T> layerProperty, LayerPropertyViewModel layerPropertyViewModel)
+        {
+            LayerProperty = layerProperty;
+            LayerPropertyViewModel = layerPropertyViewModel;
+        }
+
+        public void Dispose()
+        {
+        }
+    }
+
+    public interface ILayerPropertyTimelineViewModel : IScreen, IDisposable
+    {
+    }
+}

src/Artemis.UI/Screens/ProfileEditor/LayerProperties/Timeline/Rails/TimelineGroupViewModel.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Artemis.Core;
+
+namespace Artemis.UI.Screens.ProfileEditor.LayerProperties.Timeline.Rails
+{
+    public class TimelineGroupViewModel
+    {
+        public LayerPropertyGroup LayerPropertyGroup { get; }
+
+        public TimelineGroupViewModel(LayerPropertyGroup layerPropertyGroup)
+        {
+            LayerPropertyGroup = layerPropertyGroup;
+        }
+    }
+}