Display conditions - Implemented expression tree creation

Display conditions - Use the most appropriate number input
UI general - Use current localisation for decimal seperators and enfore in inputs

src/Artemis.Storage/Entities/Profile/DisplayConditionPredicateEntity.cs

@@ -0,0 +1,16 @@
+using System;
+
+namespace Artemis.Storage.Entities.Profile
+{
+    public class DisplayConditionPredicateEntity
+    {
+        public Guid LeftDataModelGuid { get; set; }
+        public string LeftPropertyPath { get; set; }
+
+        public Guid RightDataModelGuid { get; set; }
+        public string RightPropertyPath { get; set; }
+
+        // Stored as a string to be able to control serialization and deserialization ourselves
+        public string RightStaticValue { get; set; }
+    }
+}