consider hazard grid spacing when it helps the query
consider hazard grid spacing when it helps the query


Former-commit-id: 6c38e2def905588575aa001506ee8be9ae17ede7 [formerly 6c38e2def905588575aa001506ee8be9ae17ede7 [formerly 6667f4e86cfcc201c6e992ab80a742103fe56282]]
Former-commit-id: c938faa19eeb0352435876635a3d08855c27d042
Former-commit-id: 3130185081b18a24a0fb07422ee53fb4677417b7
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine