Merge branch 'jk/notes-ui-updates'

* jk/notes-ui-updates: contrib/completion: --notes, --no-notes log/pretty-options: Document --[no-]notes and deprecate old notes options revision.c: make --no-notes reset --notes list revision.c: support --notes command-line option notes: refactor display notes default handling notes: refactor display notes extra refs field revision.c: refactor notes ref expansion notes: make expand_notes_ref globally accessible