Merge branch 'nd/branch-show-rebase-bisect-state'

Add a bit more information to "git status" during a rebase/bisect session. * nd/branch-show-rebase-bisect-state: status, branch: fix the misleading "bisecting" message branch: show more information when HEAD is detached status: show more info than "currently not on any branch" wt-status: move wt_status_get_state() out to wt_status_print() wt-status: split wt_status_state parsing function out wt-status: move strbuf into read_and_strip_branch()