Fix critical regressions to lyric spacing (issue4061043)

[Carl . D . Sorensen]

Reviewers: ,

Message:
Here is a potential patch for fixing the lyric spacing regressions.

It updates the documentation to clarify what is needed to make lyrics
behave as desired.

It also adds a snippet that demonstrates how to achieve the old spacing
behavior.

Please respond with any comments.

Thanks,

Carl


Description:
Fix critical regressions to lyric spacing

Cleaned up documentation

Add snippet that shows how to get old spacing behavior if desired

Add old spacing snippet to Docs; run makelsr.py

Update changes.tely

Modify vocal templates

Run convert-ly on everything

Please review this at http://codereview.appspot.com/4061043/

Affected files:
  M Documentation/changes.tely
  M Documentation/notation/vocal.itely
  A Documentation/snippets/new/lyrics-old-spacing-settings.ly
  A  
Documentation/snippets/new/vocal-ensemble-template-with-automatic-piano-reduction.ly
  A Documentation/snippets/new/vocal-ensemble-template.ly
  M  
Documentation/snippets/vocal-ensemble-template-with-automatic-piano-reduction.ly
  M Documentation/snippets/vocal-ensemble-template.ly
  M Documentation/snippets/vocal-music.snippet-list
  M input/regression/baerenreiter-sarabande.ly
  M input/regression/mozart-hrn-3.ly
  M input/regression/page-spacing.ly
  M input/regression/page-top-space.ly