git-push-wd: Add --ignore-untracked option
git-push-wd: Add --ignore-untracked option

Prevents files in the working directory that git does not already know
about from being pushed. Kind of the opposite from what I originally
intended the script to do, but still useful in many situations.

Must be specified after the remote target for now.

DarkStarSword/junk,DarkStarSword/junk,DarkStarSword/junk,DarkStarSword/junk,DarkStarSword/junk