Revert to explicit list of migrations. Migrations were enumerated multiple times

so added ToList() to them.

src/Umbraco.Core/CoreBootManager.cs

@@ -135,9 +135,26 @@ namespace Umbraco.Core
             MacroPropertyTypeResolver.Current = new MacroPropertyTypeResolver(
                 PluginManager.Current.ResolveMacroPropertyTypes());
 
-            //the database migration objects
-            MigrationResolver.Current = new MigrationResolver(
-                PluginManager.Current.ResolveMigrationTypes());
+            //TODO: Y U NO WORK?
+            //MigrationResolver.Current = new MigrationResolver(
+            //    PluginManager.Current.ResolveMigrationTypes());
+            
+			//the database migration objects
+			MigrationResolver.Current = new MigrationResolver(new List<Type>
+				{
+					typeof (MigrationsVersionFourNineZero.RemoveUmbracoAppConstraints),
+					typeof (DeleteAppTables),
+					typeof (EnsureAppsTreesUpdated),
+					typeof (MoveMasterContentTypeData),
+					typeof (NewCmsContentType2ContentTypeTable),
+					typeof (RemoveMasterContentTypeColumn),
+					typeof (RenameCmsTabTable),
+					typeof (RenameTabIdColumn),
+					typeof (UpdateCmsContentTypeAllowedContentTypeTable),
+					typeof (UpdateCmsContentTypeTable),
+					typeof (UpdateCmsContentVersionTable),
+					typeof (UpdateCmsPropertyTypeGroupTable)
+				});
 
 			PropertyEditorValueConvertersResolver.Current = new PropertyEditorValueConvertersResolver(
 				PluginManager.Current.ResolvePropertyEditorValueConverters());

src/Umbraco.Core/Persistence/Migrations/MigrationRunner.cs

@@ -48,9 +48,9 @@ namespace Umbraco.Core.Persistence.Migrations
 	        var foundMigrations = MigrationResolver.Current.Migrations;
 
             var migrations = isUpgrade
-                                 ? OrderedUpgradeMigrations(foundMigrations)
-                                 : OrderedDowngradeMigrations(foundMigrations);
-
+                                 ? OrderedUpgradeMigrations(foundMigrations).ToList()
+                                 : OrderedDowngradeMigrations(foundMigrations).ToList();
+            
             if (Migrating.IsRaisedEventCancelled(new MigrationEventArgs(migrations, _configuredVersion, _targetVersion, true), this))
                 return false;