Updated the release notes
Updated the release notes


Former-commit-id: eeb2317b7a51f0422cc258eb4665a11178b65854 [formerly a195ed92a0a37c749e3ce0905f962c749395c3d5]
Former-commit-id: 4c73c3298d521da3b2d8090192582007f84dbc89
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine