[MERGE] Don't raise KnownFailure for all coding_style regressions

[Bundle Buggy]

Bundle Buggy has detected this merge request.

For details, see: 
http://bundlebuggy.aaronbentley.com/project/bzr/request/%3C418c22640903292143kf0d1617p5f012046cfff40fd%40mail.gmail.com%3E
Project: Bazaar