* scm/auto-beam.scm (revert-property-setting): Bugfixes: add

* scm/auto-beam.scm (revert-property-setting): Bugfixes: add
missing parameter, actualy cdr through list.  Actually return a
list with ENTRY removed (was '()).

* scripts/convert-ly.py: Update.  Print warning if file cannot be
opened.
(do_conversion): Fix printing of continuation comma.

* Documentation/user/advanced-notation.itely (Beam formatting):
Remove refbugs about compound time and mixed duration.

* scm/auto-beam.scm (default-auto-beam-settings): Write out all
modulo moments explicitely.

* lily/moment.cc (operator %): New function.

* lily/moment-scheme.cc (ly:mod-moment): Wrap it.

* lily/translator-scheme.cc (ly:translator-now,
ly:translator-property): New function.

* scm/auto-beam.scm (default-auto-beam-check): New function.

* lily/auto-beam-engraver.cc (test_moment): Use it.

* flower/rational.cc (operator %): Bugfix.