[git-pile] Prefer forks when added
[git-pile] Prefer forks when added

When the remote 'mine' exists, use that for submission instead of
pushing to the upstream. This is for repos where even though you have
push access submitting from a fork is best practice. If you don't want
this behavior remove the 'mine' remote.

keith/dotfiles,keith/dotfiles,keith/dotfiles,keith/dotfiles,keith/dotfiles,keith/dotfiles