bin/oq_create_db:
bin/oq_create_db:

Fixed some minor issues in setting up the `revision_info`, which was
interfering with smooth migrations using dbmaint.py.


Former-commit-id: 699bbbc82cea60d0ef01502ff1d0cde923e57964
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine