Sketched out what the new --run-hazard command line UI option will look like
Sketched out what the new --run-hazard command line UI option will look like


Former-commit-id: 7ecb1a657c265fe7cb17038f2d56317711b3cae7 [formerly 70798423643c9e3b459b84debd9b76b4808c2b2e]
Former-commit-id: 09a376ec89aaf001a43cb49a36cbc5481351d0fd
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine