[PATCH 0 of 6] Fix problems found by Pyflakes

[Bryan O'Sullivan]

Joel Rosdahl wrote:

> I think I had two reasons: Because that's what I personally would have
> wanted ("a given name should only be imported from the module where it
> logically belongs") and because Pyflakes otherwise would point out
> that the imported mercurial.node/mercurial.repo names in
> mercurial/hg.py are unused.

I think that Matt had those names imported from the hg module for a
reason.  Maybe he can fill us in.

	<b