hgext/__init__.py

manifest: change manifestlog mancache to be directory based

In the last patch we added a get() function that allows fetching directory level
treemanifestctxs. It didn't handle caching at directory level though, so we need to
change our mancache to support multiple directories.

from __future__ import absolute_import
import pkgutil
__path__ = pkgutil.extend_path(__path__, __name__)