OutputDevice code reorganization

[Kohei Yoshida]

On Wed, 2014-04-16 at 00:22 +0200, Thorsten Behrens wrote:
> Kohei Yoshida wrote:
> > My only request is that the move be done in such a way that git knows
> > the files have been moved (in a single commit), rather than the old
> > files removed and new one added.
> > 
> That is, for all intents and purposes, not going to work here, when
> methods are mixed and matched differently.

Oh, I thought he was just relocating the methods.  Maybe I
mis-understood what he's doing.

Kohei