Issue 3514: Clean up CG "Major release checklist".

http://code.google.com/p/lilypond/issues/detail?id=3514

[Mark Polesky, 2013-06-28 19:02:07]

Hey everyone,

just making sure I'm complying with the new patch policies.  Shall I use `git
cl' for every little patch like this?

- Mark

[Mark Polesky, 2013-08-24 06:30:20]

Here's a revised doc patch that I started last month.
Feel free to review.

Thanks.
- Mark

[janek, 2013-08-27 07:50:05]

LGTM