SERVER-11178: use IndexCatalog to check for _id indexes
SERVER-11178: use IndexCatalog for creating indexes during migration
SERVER-11178: remove dead precalced code
SERVER-11178: some style fixes on new IndexCatalog hook up to migration
SERVER-11603: move updateRecord from pdfile to collection
SERVER-11178: use IndexCatalog for creating indexes during migration, more cleanup
SERVER-11603: resolve merge issue with Collection::updateDocument and Runner migration