Fix crash after recording long phrases of MIDI.
Fix MIDI looping (kinda).
Add note-off exposure to MidiModel::iterator.
Fix first-note-is-stuck-note problem.
Fix resolving long notes while recording.
Fix several other things I forget now. MIDI works pretty well.....
git-svn-id: svn://localhost/ardour2/trunk@2555 d708f5d6-7413-0410-9779-e7cbd77b26cf
Added note pencil tool, mock note adding (notes can be added visually but don't yet play).
Reworked MidiModel to be notes w/ duration instead of realtime style MIDI events.
Moved layering (stacked/overlaid) from auto time axis down to route time axis since it applies
to MIDI tracks as well.
git-svn-id: svn://localhost/ardour2/trunk@2128 d708f5d6-7413-0410-9779-e7cbd77b26cf