Data bindings - Added the option for different data binding modes

src/Artemis.UI/Screens/ProfileEditor/LayerProperties/DataBindings/ConditionalDataBinding/ConditionalDataBindingModeView.xaml

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+<UserControl x:Class="Artemis.UI.Screens.ProfileEditor.LayerProperties.DataBindings.ConditionalDataBinding.ConditionalDataBindingModeView"
+             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:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
+             mc:Ignorable="d" 
+             d:DesignHeight="450" d:DesignWidth="800">
+    <Grid>
+        <StackPanel HorizontalAlignment="Center" VerticalAlignment="Top" Margin="16">
+            <materialDesign:PackIcon Kind="Crane" Width="60" Height="60" HorizontalAlignment="Center" />
+            <TextBlock Style="{StaticResource MaterialDesignHeadline6TextBlock}" TextWrapping="Wrap" HorizontalAlignment="Center" Margin="0 25">
+                Conditional data bindings not yet implemented
+            </TextBlock>
+            <TextBlock Style="{StaticResource MaterialDesignBody1TextBlock}" TextWrapping="Wrap" HorizontalAlignment="Center">
+               This is where you'd provide values and their conditions.. :>
+            </TextBlock>
+        </StackPanel>
+    </Grid>
+</UserControl>

src/Artemis.UI/Screens/ProfileEditor/LayerProperties/DataBindings/ConditionalDataBinding/ConditionalDataBindingModeViewModel.cs

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+using Artemis.Core;
+using Stylet;
+
+namespace Artemis.UI.Screens.ProfileEditor.LayerProperties.DataBindings.ConditionalDataBinding
+{
+    public class ConditionalDataBindingModeViewModel<TLayerProperty, TProperty> : Screen, IDataBindingModeViewModel
+    {
+        public ConditionalDataBindingModeViewModel(ConditionalDataBinding<TLayerProperty, TProperty> conditionalDataBinding)
+        {
+            ConditionalDataBinding = conditionalDataBinding;
+        }
+
+        public ConditionalDataBinding<TLayerProperty, TProperty> ConditionalDataBinding { get; }
+
+        public void Dispose()
+        {
+        }
+
+        public void Update()
+        {
+        }
+
+        public object GetTestValue()
+        {
+            return null;
+        }
+    }
+}