Re: [Lilypond-auto] Issue 2904 in lilypond: Patch: Update contributors.

[lilypond]

Comment #3 on issue 2904 by julien.r...@gmail.com: Patch: Update  
contributors.
http://code.google.com/p/lilypond/issues/detail?id=2904#c3
Clarify policy, don't remove previous contributors.

http://codereview.appspot.com/6689045