Update pylint to 1.3.1

This is just to keep us on the upgrade treadmill. ([Changelog](https://bitbucket.org/logilab/pylint/src/9dce395369d32587f2c72c9f128523cfabbd1548/ChangeLog))
@singingwolfboy what I wanted clarity on is what new things were added here? Or is this an exact map from the disables we previously had?

I'd almost rather see it with the full code, perhaps as comments, if we can do that (eg
```
no-init,  # W0232
```
as that makes it easier to look up in pylint doc what the actual violation is