[skip CI] Merge branch 'compare_curves' of github.com:gem/oq-engine into disable-spinning
[skip CI] Merge branch 'compare_curves' of github.com:gem/oq-engine into disable-spinning


Former-commit-id: 0ad40a4a06d9168401f139d8dd2467dfe68bde88
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine