Merge branch 'master' into lilypond/translation

Merge branch 'master' into lilypond/translation

* master:
  Add spaces after comma in C code
  New snippet for dotted harmonics.
  flags regression test: better formatting
  Layout tweaks for flags-default.ly regression test.
  NR 1.2.4.3 Manual beams
  Add the Scheme flags to the NEWS
  Change flag creation to use the 'flag prop (function returning the stencil)
  LM Index Introduction
  Fix #666.
  Allow harmonic note heads to have dots.
  Bump version.
  Formatting: Add space after ,
  Doc: mark functions with code macro
  NR 1.2.6.1 Grace notes
  Doc: Update for staff.itely
  Clean up web-clean make target
  Rename autobeaming regression test
  Fix regression test compilation
  Patch for auto-beam; Fix issue 511