git-status: show the remote tracking statistics
git-status: show the remote tracking statistics

This teaches "git status" to show the same remote tracking statistics
"git checkout" gives at the beginning of the output.

Now the necessary low-level machinery is properly factored out, we can do
this quite cleanly.

Signed-off-by: Junio C Hamano <a6723cc3f76163bf7adb636a73ac3b0ceb3e6b9b@pobox.com>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git