Core - Flattened namespaces

Shared UI - Flattened namespaces
Shared UI - General housekeeping
Project - Code cleanup

src/Artemis.Core/Plugins/DeviceProviders/DeviceProvider.cs

@@ -1,11 +1,10 @@
 using System;
 using System.IO;
-using Artemis.Core.Extensions;
 using Ninject;
 using RGB.NET.Core;
 using Serilog;
 
-namespace Artemis.Core.Plugins.DeviceProviders
+namespace Artemis.Core.DeviceProviders
 {
     /// <inheritdoc />
     /// <summary>