Merge branch 'fix-award-emoji-api' into 'master'
Add upvote/downvote fields to merge request and note API to preserve compatibility As discussed in !1825 we should not break the API compatibility. * This MR adds the fields `upvotes`/`downvotes` to the merge request API again, which always return `0`. * Add the fields `upvote`/`downvote` to the notes API, which always return `false` This behavior is documented in the API docs. See merge request !1867