Data model visualization - Simplified and improved VMs

Layer conditions - Added left side property selection

src/Artemis.Core/Models/Profile/Conditions/DisplayCondition.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Linq.Expressions;
+using Artemis.Core.Plugins.Abstract.DataModels;
+
+namespace Artemis.Core.Models.Profile.Conditions
+{
+    public class DisplayCondition
+    {
+        public Expression<Func<DataModel, bool>> ExpressionTree { get; set; }
+        public DisplayConditionGroup RootGroup { get; set; }
+    }
+}