CLI: Move configuration override to node-configuration

Ok. We should discuss why that is still a concern in a different ticket.
On Dec 8, 2014 6:13 AM, "Mike Sherov" <notifications@github.com> wrote:

> In lib/config/configuration.js:
>
> >          assert(
> > -            typeof config.maxErrors === 'number' || config.maxErrors === null,
> > +            maxErrors > 0 || isNaN(maxErrors) || maxErrors === null,
>
> To maintain backCompat. There was an explicit test in StringChecker
> allowing NaN to not cause a crash. Is that archaic now?
>
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>