Update the changelog
Update the changelog


Former-commit-id: fd5a98e7348d139f2dc7f681f023d6f57cd52dae [formerly 5b67bccf3abde370fcef8f43747e2ca1b9fe4619]
Former-commit-id: 648c603a40d2cf3bb93fbddfc06cb9447dc54e3e
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine