What's this /run directory doing on my system and where does it come from?

[Chris Lumens]

> I just uploaded a new version of systemd into F15, which establishes a
> directory /run in the root directory. Most likely you'll sooner or later
> stumble over it, so here's an explanation what this is and why this is.

On behalf of everyone at anaconda, thanks for fixing something we've all
long-since hated.

- Chris