Core - Fixed data model namespaces

Modules - Added IsPropertyInUse API
UI - Properly dispose data model paths wherever they are used

src/Artemis.UI.Shared/DataModelVisualization/Input/DataModelDynamicViewModel.cs

@@ -272,6 +272,7 @@ namespace Artemis.UI.Shared.Input
                 _updateTimer.Dispose();
                 _updateTimer.Elapsed -= OnUpdateTimerOnElapsed;
 
+                DataModelViewModel?.Dispose();
                 DataModelPath?.Dispose();
             }
         }