Merge branch 'master' into lilypond/translation

Merge branch 'master' into lilypond/translation

* master: (30 commits)
  Clarify notation font size stuff.
  Add \large and \huge for consistency (we already have \small and \tiny)
  Update from Ralph.
  Update from Ralph.
  Accidentally removed file.
  Fix glyph names.
  Minor formatting.
  Fix glyph names.
  In doc strings, replace trailing spaces with leading ones.
  ADD_TRANSLATOR: Formatting, fix typos, add some doc strings.
  Some more minor formatting.
  ADD_INTERFACE: Formatting and fixing typos.
  formatting.
  Fix #339.
  Formatting int: add braces.
  Clean up naming in note-collision.cc
  Allow non-integer numbers as bend deltas, too
  Trivial text fixes.
  Add extra \revert to balance out.
  Update from Trevor.
  ...