Introduced deterministic and stochastic builders
Fixed hazard_getters_test
Forget an integer cast
Merge branch 'master' of github.com:gem/oq-engine into hazard-curves-from-gmfs
Merge pull request #1461 from gem/fix-scenario-calculator

Added a missing integer cast
Merge branch 'master' of github.com:gem/oq-engine into hazard-curves-from-gmfs
Fixed a bug appearing in a disaggregation computation
Removed _normalize
Merged from hazard-curves-from-gmfs