grant appropriate permissions for the exposure model tables
grant appropriate permissions for the exposure model tables


Former-commit-id: a5d7d2c20ab2cbe4954e87f4a53ffdae67763ebd [formerly 55f213ec331542c9d477e57b16d09978e152460e]
Former-commit-id: edbab5e7c9d5397ded3ff555efcc03246c102d29
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine