RFC: style cleanup & guidelines for GHC, and related bikeshedding

[Simon Peyton Jones]

| I used to be a 80 column guy, but moved away from that the last years.
| But you are right, there must be an upper limit and, if >80 is a
| problem for code reviews, then it's a reasonable choice.

As laptop screens have successively more horizontal pixels and fewer vertical pixels, longer lines use screen real estate better.  80 columns now seems a bit narrow to me.  100 would be better.

But I'm not going to die for this

Simon