better names/documentation
better names/documentation


Former-commit-id: a22fb2efb313eb521cf60b240fefe4a5e04d1d19 [formerly a22fb2efb313eb521cf60b240fefe4a5e04d1d19 [formerly d517a36259484bcf2adcc93d1f7e5731f0ca0660]]
Former-commit-id: 30732ba022ff2ccc1081d011d5fe51673b96196b
Former-commit-id: 620e1a0b84a76fe990ce6c9a4770891426d16734
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine