Z:gnu-lilypond--8975ca-Autobeaming rules have changed/en

Autobeaming rules have changed. override-auto-beam-setting and revert-auto-beam-setting have been eliminated. \overrideBeamSettings has been added. beatGrouping has been eliminated. Different settings for vertical layout. ly:system-start-text::print -> system-start-text::print Beam #'thickness -> Beam #'beam-thickness ly:note-head::brew-ez-stencil -> note-head::brew-ez-stencil ly:ambitus::print -> ambitus::print Explicit dynamics context definition from `Piano centered dynamics' template replaced by new `Dynamics' context.