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.UI/Screens/Module/ProfileEditor/LayerProperties/Timeline/TimelineView.xaml

@@ -0,0 +1,12 @@
+<UserControl x:Class="Artemis.UI.Screens.Module.ProfileEditor.LayerProperties.Timeline.TimelineView"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
+             xmlns:local="clr-namespace:Artemis.UI.Screens.Module.ProfileEditor.LayerProperties.Timeline"
+             mc:Ignorable="d" 
+             d:DesignHeight="450" d:DesignWidth="800">
+    <Grid>
+            
+    </Grid>
+</UserControl>