overlaychangectx: also assign repo to self._repo Without doing this, we get test failures due to core Mercurial methods (e.g. context.obsolete, context.orphan, etc) access self._repo. If we didn't go this route, we'd need to change core to (correctly) call self.repo() instead of _repo.

include COPYING
include MANIFEST.in
include README.md

recursive-include hggit *.py *.rst
recursive-include tests *.t *.py *.py.out hghave latin-1-encoding testutil