Plugins - Gave each plugin its own child Ninject kernel

Plugins - Added support for validation in VMs

src/Artemis.Core/Plugins/LayerBrushes/BrushConfigurationViewModel.cs

@@ -16,6 +16,16 @@ namespace Artemis.Core.LayerBrushes
             LayerBrush = layerBrush;
         }
 
+        /// <summary>
+        ///     Creates a new instance of the <see cref="BrushConfigurationViewModel" /> class with a validator
+        /// </summary>
+        /// <param name="layerBrush"></param>
+        /// <param name="validator"></param>
+        protected BrushConfigurationViewModel(BaseLayerBrush layerBrush, IModelValidator validator) : base(validator)
+        {
+            LayerBrush = layerBrush;
+        }
+
         /// <summary>
         ///     Gets the layer brush this view model is associated with
         /// </summary>

src/Artemis.Core/Plugins/LayerBrushes/LayerBrushDescriptor.cs

@@ -62,7 +62,7 @@ namespace Artemis.Core.LayerBrushes
             if (layer.LayerBrush != null)
                 throw new ArtemisCoreException("Layer already has an instantiated layer brush");
 
-            var brush = (BaseLayerBrush) CoreService.Kernel.Get(LayerBrushType);
+            var brush = (BaseLayerBrush) LayerBrushProvider.PluginInfo.Kernel.Get(LayerBrushType);
             brush.Layer = layer;
             brush.Descriptor = this;
             brush.Initialize();