Profile configurations - Publicly expose profile ID

Device visualizer - Hit test on LED geometry
Layouts - Reverted layout rounding change

src/Artemis.Core/Models/Profile/Layer.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
-using System.Diagnostics;
 using System.Linq;
 using Artemis.Core.LayerBrushes;
 using Artemis.Core.LayerEffects;