spawn_job_supervisor() saves pids in database
spawn_job_supervisor() saves pids in database


Former-commit-id: 7ae12b80c28e636d16e0607d9ed670742e751e35 [formerly 2d96b341b261e13afdb234f10caaf136517f7b53]
Former-commit-id: 3bde2331b574e16557e4edcafe685bf22bcd4531
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine