Added max_hazard_curves to a demo
Added max_hazard_curves to a demo


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Former-commit-id: 57b2183ae3cb31b62a4eddfc9125284d7db79b7b
Former-commit-id: 3adc634d3bf11ab2049c8e6e62619f0e5dfdb841
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine