Re: [Lilypond-auto] Issue 2868 in lilypond: Patch: Various clean-ups in stems and beams.

[lilypond]

Updates:
        Labels: -Patch-needs_work Patch-new

Comment #6 on issue 2868 by mts...@gmail.com: Patch: Various clean-ups in  
stems and beams.
http://code.google.com/p/lilypond/issues/detail?id=2868#c6
Various clean-ups in stems and beams.

*) Eliminates code dups for Kievan work.
*) Transfers functions that are called a lot to C++ to speed things up.
*) Eliminates unused variables.

No regtest changes.

http://codereview.appspot.com/6584045