Added a comment and a big docstring on num_tasks
Added a comment and a big docstring on num_tasks


Former-commit-id: 24e58e276b2ef925c957a2307147e7493f32cee5 [formerly 72cd5061186571d8af77fe2795e469ff3c51c15f]
Former-commit-id: d1ec4f870fa8fcde59fa9f2ed6a0b4e6579f3d0e
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine