hmtk notebooks run as tests added
hmtk notebooks run as tests added

gem/oq-engine,gem/oq-hazardlib,gem/oq-engine,g-weatherill/hmtk,gem/oq-engine,gem/oq-hazardlib,g-weatherill/hmtk,gem/oq-hazardlib,gem/oq-engine,g-weatherill/hmtk,gem/oq-engine