Re: Adds longas, maximas and non-standard tweaks to MultiMeasureRest (issue4536068)

[bordage . bertrand]

Reviewers: ,

Message:
Just one regtest change :
in multi-measure-rest.ly, the two longas of the third measure are
tranformed into a maxima (as expected).

Regards,
Bertrand

Description:
Adds longas, maximas and non-standard tweaks to MultiMeasureRest

Please review this at http://codereview.appspot.com/4536068/

Affected files:
  A input/regression/multi-measure-rest-standard.ly
  A input/regression/multi-measure-rest-tweaks.ly
  D input/regression/multi-measure-rest-usebreve.ly
  M lily/multi-measure-rest-engraver.cc
  M lily/multi-measure-rest.cc
  M scm/define-grob-properties.scm
  M scm/define-grobs.scm