rust-core: updated copyright notice
The intention here is to put an email address that actually
works (I did have full personal copyrights with my
former affiliation).
It is also an opportunity to acknowledge that I've not been
the only one to work on this file.
Differential Revision: https://phab.mercurial-scm.org/D7781
# name space package to host third party extensions
from __future__ import absolute_import
import pkgutil
__path__ = pkgutil.extend_path(__path__, __name__)