Changes the CoreBootManager to resolve migrations through the use of the PluginManager instead of having the migration types hardcoded.

src/Umbraco.Core/CoreBootManager.cs

@@ -135,29 +135,16 @@ namespace Umbraco.Core
             MacroPropertyTypeResolver.Current = new MacroPropertyTypeResolver(
                 PluginManager.Current.ResolveMacroPropertyTypes());
 
+            //the database migration objects
+            MigrationResolver.Current = new MigrationResolver(
+                PluginManager.Current.ResolveMigrationTypes());
+
 			PropertyEditorValueConvertersResolver.Current = new PropertyEditorValueConvertersResolver(
 				PluginManager.Current.ResolvePropertyEditorValueConverters());
 			//add the internal ones, these are not public currently so need to add them manually
 			PropertyEditorValueConvertersResolver.Current.AddType<DatePickerPropertyEditorValueConverter>();
 			PropertyEditorValueConvertersResolver.Current.AddType<TinyMcePropertyEditorValueConverter>();
 			PropertyEditorValueConvertersResolver.Current.AddType<YesNoPropertyEditorValueConverter>();
-
-			//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)
-				});
-		}
+        }
 	}
 }

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

@@ -12,12 +12,12 @@ namespace Umbraco.Core.Persistence.Migrations
 		/// <summary>
 		/// Constructor
 		/// </summary>
-		/// <param name="surfaceControllers"></param>
+		/// <param name="migrations"></param>
 		/// <remarks>
 		/// Use transient objects as we don't want these as singletons and take up memory that is not required
 		/// </remarks>
-		public MigrationResolver(IEnumerable<Type> surfaceControllers)
-			: base(surfaceControllers, ObjectLifetimeScope.Transient)
+		public MigrationResolver(IEnumerable<Type> migrations)
+			: base(migrations, ObjectLifetimeScope.Transient)
 		{			
 		}
 

src/Umbraco.Core/PluginManager.cs

@@ -11,6 +11,7 @@ using System.Xml.Linq;
 using Umbraco.Core.IO;
 using Umbraco.Core.Logging;
 using Umbraco.Core.Models;
+using Umbraco.Core.Persistence.Migrations;
 using Umbraco.Core.PropertyEditors;
 using umbraco.interfaces;
 using File = System.IO.File;
@@ -458,6 +459,15 @@ namespace Umbraco.Core
             return ResolveTypes<IMacroPropertyType>();
         }
 
+        /// <summary>
+        /// Returns all available IMigrations in application
+        /// </summary>
+        /// <returns></returns>
+        internal IEnumerable<Type> ResolveMigrationTypes()
+        {
+            return ResolveTypes<IMigration>();
+        }
+
         /// <summary>
         /// Gets/sets which assemblies to scan when type finding, generally used for unit testing, if not explicitly set
         /// this will search all assemblies known to have plugins and exclude ones known to not have them.