calcs/hazard/scenario/core:
calcs/hazard/scenario/core:

Scenario calculator now caches the site collection during pre-execute.


Former-commit-id: 3d40cf3f3d1093be09ae5844803d7c4739851408 [formerly 3ffeab4f6317ee1003e0d46137c5a0482e58262d]
Former-commit-id: 9baf935874f213f50e7d4b345fab69442d03e62b
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine