[Libvir] 2/8 Add framework for code style- and syntax-checking rules.

[Jim Meyering]

"Daniel P. Berrange" <berrange at redhat.com> wrote:
...
>>  build-aux/find-unnecessary-if-before-free |   41 +++
>>  build-aux/vc-list-files                   |   50 +++
>
> The build-aux directory currently only contains auto-generated files.
> If its not too much pain, can we put these 2 helpers into scripts/ where
> I've got a couple of other build/test related helper scripts.
>
> Can't really comment on the actaul contents of Makefile.maint - too much
> scary shell code to review, but if it is working for coreutils I'm happy
> with it. Particularly since this is not something that needs to be explicitly
> invoked by developers.

I added them there, because I'm going to add them to gnulib.
So before long they will be pulled in just like the others.
Ok?