Data model visualization - Simplified and improved VMs

Layer conditions - Added left side property selection

src/Artemis.UI.Shared/Exceptions/ArtemisUIException.cs

@@ -0,0 +1,19 @@
+using System;
+
+namespace Artemis.UI.Shared.Exceptions
+{
+    public class ArtemisSharedUIException : Exception
+    {
+        internal ArtemisSharedUIException()
+        {
+        }
+
+        internal ArtemisSharedUIException(string message) : base(message)
+        {
+        }
+
+        internal ArtemisSharedUIException(string message, Exception inner) : base(message, inner)
+        {
+        }
+    }
+}