bookmarks: display the obsfate of hidden revision we create a bookmark on
Display the same message we added recently to the filtered error message
create a bookmark on an hidden revision.
Differential Revision: https://phab.mercurial-scm.org/D1870
# name space package to host third party extensions
from __future__ import absolute_import
import pkgutil
__path__ = pkgutil.extend_path(__path__, __name__)