Better logging
Better logging


Former-commit-id: 569b8b157b0bbebfc7d46d4a88a1bd43921687e3 [formerly d366a7e64870f682133dfa31f49fc366e056127d]
Former-commit-id: fe21302f757f07e684e12de31f1753325bfe30f8
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine