Plugin info - Implemented property changed

Plugins - Improved enable failure detection
Plugins UI - Show an indicator on plugins that failed to enable
Plugins UI - Show a progress indicator on plugins that are enabling
UI - Added reusable Snackbar (not the Dutch kind with kroketten)

src/Artemis.Storage/Migrations/M2ProfileEntitiesEnabledMigration.cs

@@ -0,0 +1,34 @@
+using Artemis.Storage.Entities.Profile;
+using Artemis.Storage.Migrations.Interfaces;
+using LiteDB;
+
+namespace Artemis.Storage.Migrations
+{
+    public class M2ProfileEntitiesEnabledMigration : IStorageMigration
+    {
+        public int UserVersion => 2;
+
+        public void Apply(LiteRepository repository)
+        {
+            var profiles = repository.Query<ProfileEntity>().ToList();
+            foreach (var profileEntity in profiles)
+            {
+                foreach (var profileEntityFolder in profileEntity.Folders)
+                {
+                    profileEntityFolder.Enabled = true;
+                    foreach (var layerEffectEntity in profileEntityFolder.LayerEffects) 
+                        layerEffectEntity.Enabled = true;
+                }
+
+                foreach (var profileEntityLayer in profileEntity.Layers)
+                {
+                    profileEntityLayer.Enabled = true;
+                    foreach (var layerEffectEntity in profileEntityLayer.LayerEffects)
+                        layerEffectEntity.Enabled = true;
+                }
+
+                repository.Upsert(profileEntity);
+            }
+        }
+    }
+}