Started layout editor implementation

Rearranged VMs/Views
Updated RGB.NET

src/Artemis.Storage/Entities/PluginSettingEntity.cs

@@ -0,0 +1,13 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+
+namespace Artemis.Storage.Entities
+{
+    public class PluginSettingEntity
+    {
+        public Guid PluginGuid { get; set; }
+        public string Name { get; set; }
+        
+        public string Value { get; set; }
+    }
+}