added GMF NRML output to MonteCarloMixin (hazard)
added GMF NRML output to MonteCarloMixin (hazard)


Former-commit-id: 34817f2d40f68aeb647f355dd11dc3f696558a4b [formerly f8668356f62ce2bc6af7f17f00b9af483c9fdc37]
Former-commit-id: 69a086cc202173432e8cf11d9ff5048f61930b4f
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine