Minor edits to What's New
Minor edits to What's New

Former-commit-id: 281d60bc9d2bdd29c21cd7fc142c31578fe62deb [formerly a219e99bf1e4b14c209a08ba4d13c59eb8a31583]
Former-commit-id: fa3effae88cf29554ee8084129e09d05fa472d09
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine