Reference local build of RGB.NET

Rewrote UI LED-rendering, performance needs some work

src/Artemis.Core/Extensions/RgbColorExtensions.cs

@@ -0,0 +1,14 @@
+using RGB.NET.Core;
+using Color = System.Windows.Media.Color;
+
+namespace Artemis.Core.Extensions
+{
+    public static class RgbColorExtensions
+    {
+        public static Color ToMediaColor(this global::RGB.NET.Core.Color color)
+        {
+            var (_, r, g, b) = color.GetRGBBytes();
+            return Color.FromRgb(r, g, b);
+        }
+    }
+}

src/Artemis.Core/Extensions/RgbRectangleExtensions.cs

@@ -0,0 +1,12 @@
+using System.Drawing;
+
+namespace Artemis.Core.Extensions
+{
+    public static class RgbRectangleExtensions
+    {
+        public static Rectangle ToDrawingRectangle(this global::RGB.NET.Core.Rectangle rectangle)
+        {
+            return new Rectangle((int) rectangle.X, (int) rectangle.Y, (int) rectangle.Width, (int) rectangle.Height);
+        }
+    }
+}