v2 man page build fixups

[Tomi Ollila]

On Tue, Mar 11 2014, David Bremner <david at tethera.net> wrote:

> Here is an improved version of somewhat hasty series of last night.
>
> It incorporates fixups from Jani that he sent to me off list.

I played with the series trying various tricks and all seems to
work fine. Also it is nice to see that one line in prerst2man.py
is fixed to better shape :D

Also a command line, should anyone ever need it (I doubt ;)

$ make SPHINXBUILD=sphinx-1.0-build HAVE_SPHINX=1 build-man

worked fine.

+1

Tomi