bin/openquake:
bin/openquake:

Added `--optimize-source-model` option.


Former-commit-id: f99ca04fcf6eee7173bc0b1fde3a9d12d0bda5ac [formerly d4ed7b5308603be4ca9f1c440be1d33dbe2fae1d]
Former-commit-id: 9e1adca2dd9cf7414919e7a9caea23cc0051ccf3
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine