Fix createModuleXML() WRT namespaces
Rename Groovy~ to ExternalMigratorsLoader
Add MigrationExceptions.wrapExceptions()
Rename Groovy~ to ExternalMigratorsLoader
Introduce MigratorSubclassMaker
Fix XmlLocator to Locator
Improve MigratorSubclassMaker
Improve MigratorSubclassMaker - add constructor which calls super( ... )
MIGR-24 Externalize the logic (rules) of migrating data; first attempt (not tested)
Organize imports