added output builders to classical risk
added output builders to classical risk


Former-commit-id: 1c5c9964813e4ed4049901dc3a53a6c8f6373771 [formerly 10d7371a93699209abc80cca73eac60292cd75b6]
Former-commit-id: 6a095681d7f368d34d4d6790df80655e676af4ee
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine