NetworkManager dependency

[Michael McConville]

Ethan Blanton wrote:
> Network manager is something that often causes more trouble than it's
> worth, anyway, and we speak an ancient protocol to boot.  (In fact,
> newer protocols fix some of the troubles we see, I believe.)  It may
> be reasonable to disable-by-default.

Agreed. My vote's to disable by default, but I'm biased because I rarely
use it. What do other people think?