Data model - Added data model visualization view model

Debugger - Split debugger into different tabs
Debugger - Added data model debugger

src/Artemis.Core/Plugins/Exceptions/ArtemisPluginLockException.cs

@@ -0,0 +1,18 @@
+using System;
+
+namespace Artemis.Core.Plugins.Exceptions
+{
+    public class ArtemisPluginLockException : Exception
+    {
+        public ArtemisPluginLockException(Exception innerException) : base(CreateExceptionMessage(innerException), innerException)
+        {
+        }
+
+        private static string CreateExceptionMessage(Exception innerException)
+        {
+            return innerException != null
+                ? "Found a lock file, skipping load, see inner exception for last known exception."
+                : "Found a lock file, skipping load.";
+        }
+    }
+}