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/Entities/Plugins/PluginEntity.cs

@@ -8,7 +8,6 @@ namespace Artemis.Storage.Entities.Plugins
     public class PluginEntity
     {
         public Guid Id { get; set; }
-        public Guid PluginGuid { get; set; }
 
         public bool IsEnabled { get; set; }
         public bool LastEnableSuccessful { get; set; }

src/Artemis.Storage/Migrations/M1AttributeBasedPropertiesMigration.cs

@@ -3,7 +3,7 @@ using LiteDB;
 
 namespace Artemis.Storage.Migrations
 {
-    public class AttributeBasedPropertiesMigration : IStorageMigration
+    public class M1AttributeBasedPropertiesMigration : IStorageMigration
     {
         public int UserVersion => 1;
 

src/Artemis.Storage/Migrations/M2ProfileEntitiesEnabledMigration.cs

@@ -4,7 +4,7 @@ using LiteDB;
 
 namespace Artemis.Storage.Migrations
 {
-    public class ProfileEntitiesEnabledMigration : IStorageMigration
+    public class M2ProfileEntitiesEnabledMigration : IStorageMigration
     {
         public int UserVersion => 2;
 

src/Artemis.Storage/Migrations/M3PluginEntitiesIndexChangesMigration.cs

@@ -0,0 +1,18 @@
+using Artemis.Storage.Migrations.Interfaces;
+using LiteDB;
+
+namespace Artemis.Storage.Migrations
+{
+    public class M3PluginEntitiesIndexChangesMigration : IStorageMigration
+    {
+        public int UserVersion => 3;
+
+        public void Apply(LiteRepository repository)
+        {
+            if (repository.Database.CollectionExists("PluginEntity"))
+                repository.Database.DropCollection("PluginEntity");
+            if (repository.Database.CollectionExists("PluginSettingEntity"))
+                repository.Database.DropCollection("PluginSettingEntity");
+        }
+    }
+}

src/Artemis.Storage/Repositories/PluginRepository.cs

@@ -13,9 +13,7 @@ namespace Artemis.Storage.Repositories
         {
             _repository = repository;
 
-            _repository.Database.GetCollection<PluginEntity>().EnsureIndex(s => s.PluginGuid);
-            _repository.Database.GetCollection<PluginSettingEntity>().EnsureIndex(s => s.Name);
-            _repository.Database.GetCollection<PluginSettingEntity>().EnsureIndex(s => s.PluginGuid);
+            _repository.Database.GetCollection<PluginSettingEntity>().EnsureIndex(s => new {s.Name, s.PluginGuid}, true);
         }
 
         public void AddPlugin(PluginEntity pluginEntity)
@@ -25,12 +23,13 @@ namespace Artemis.Storage.Repositories
 
         public PluginEntity GetPluginByGuid(Guid pluginGuid)
         {
-            return _repository.FirstOrDefault<PluginEntity>(p => p.PluginGuid == pluginGuid);
+            return _repository.FirstOrDefault<PluginEntity>(p => p.Id == pluginGuid);
         }
 
         public void SavePlugin(PluginEntity pluginEntity)
         {
             _repository.Upsert(pluginEntity);
+            _repository.Database.Checkpoint();
         }
 
         public void AddSetting(PluginSettingEntity pluginSettingEntity)