Merge branch 'maint'

* maint: bisect: fix bad rev checking in "git bisect good" revision.c: make --date-order overriddable git-submodule: Avoid 'fatal: cannot describe' message Force the medium pretty format on calls to git log Fix section about backdating tags in the git-tag docs Document option --only of git commit Documentation/git-request-pull: Fixed a typo ("send" -> "end")