release: 1.5.18

release: 1.5.18

===========

* Some more hacking at midi2ly.py:
   - options and stuff: moved to library for ly2dvi, midi2ly, mup2ly,
	update-lily
   - handle keys and note names
   - simple quantising
   - handle tuplets and silly durations
   - guess clef
   - don't include empty staffs in score
   - print relative pitches by default
   - don't repeat duration by default
   - bugfix: allow 8th notes too
   - include new version of input/test/midi-scales.ly
   - added barchecks + fix
   - bugfix for relative mode

* Shorter MIDI creation texts.

* Bugfix: Key_change_req::transpose: don't deliver reversed list.

* Bugfix: Key_performer::create_audio_elements: transpose list to
`do', before determining tonality.

1.4.8.m