Core - Flattened namespaces

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

src/Artemis.Core/Exceptions/ArtemisCoreException.cs

@@ -1,18 +1,17 @@
 using System;
 
-namespace Artemis.Core.Exceptions
+namespace Artemis.Core
 {
+    /// <summary>
+    ///     Represents errors that occur withing the Artemis Core
+    /// </summary>
     public class ArtemisCoreException : Exception
     {
-        public ArtemisCoreException()
+        internal ArtemisCoreException(string message) : base(message)
         {
         }
 
-        public ArtemisCoreException(string message) : base(message)
-        {
-        }
-
-        public ArtemisCoreException(string message, Exception inner) : base(message, inner)
+        internal ArtemisCoreException(string message, Exception inner) : base(message, inner)
         {
         }
     }

src/Artemis.Core/Exceptions/ArtemisPluginException.cs

@@ -0,0 +1,32 @@
+using System;
+
+namespace Artemis.Core
+{
+    public class ArtemisPluginException : Exception
+    {
+        public ArtemisPluginException(PluginInfo pluginInfo)
+        {
+            PluginInfo = pluginInfo;
+        }
+
+        public ArtemisPluginException(PluginInfo pluginInfo, string message) : base(message)
+        {
+            PluginInfo = pluginInfo;
+        }
+
+        public ArtemisPluginException(PluginInfo pluginInfo, string message, Exception inner) : base(message, inner)
+        {
+            PluginInfo = pluginInfo;
+        }
+
+        public ArtemisPluginException(string message) : base(message)
+        {
+        }
+
+        public ArtemisPluginException(string message, Exception inner) : base(message, inner)
+        {
+        }
+
+        public PluginInfo PluginInfo { get; }
+    }
+}

src/Artemis.Core/Exceptions/ArtemisPluginLockException.cs

@@ -0,0 +1,18 @@
+using System;
+
+namespace Artemis.Core
+{
+    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.";
+        }
+    }
+}