Added nrml 0.4 mixed source model (1 of each source type)
Added nrml 0.4 mixed source model (1 of each source type)


Former-commit-id: c9940b43e855202239fccba145cbc73e92790ce1 [formerly d470c1d50684849c57fd82774ab28eb03fbb8bc1]
Former-commit-id: 0093bb805bdbf7ef2c8e3704c7511af1f3947cdb
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine