Update changelog
Update changelog


Former-commit-id: ac486d89627d627702db05657595c20c3bb3ec69 [formerly df18c26849ec6463da01a89ef690101b18deb875]
Former-commit-id: a3b9dbf504cf02056c878f3a392d609ec8aa4962
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine