introducing a new level of packaging break intermediate packages usage like 'from openquake.engine import utils' and than use 'utils.version.info(__version__)', fix it for the --version particular case
introducing a new level of packaging break intermediate packages usage like 'from openquake.engine import utils' and than use 'utils.version.info(__version__)', fix it for the --version particular case


Former-commit-id: f91c5635e39cc62340823ae5520929b589046c46 [formerly f91c5635e39cc62340823ae5520929b589046c46 [formerly becb740dd86174f0ab47b9c5cde9822e993f119b]]
Former-commit-id: 19090eb03a7df1b6f6e14f9acbd4ab5f8c52c67e
Former-commit-id: 0c256f11145ed251411f77084a31f560cfa94e16
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine