Merge branch 'master' of ssh://jomand@git.sv.gnu.org/srv/git/lilypond

* 'master' of ssh://jomand@git.sv.gnu.org/srv/git/lilypond:
  Support mf2pt1 2.4.2.
  Fix dimensions in tremolo hack.
  Fix baseline target.
  Add regression test for 'Fix #527.'
  Make chord tremolos obey stem direction.
  Add a proper autoconf check for Boost lambda.hpp.
  Include local.make in all Makefiles.
  Formatting nit.
  More Trevor.
  Fix #527.