[ardour-dev] CVS commit - midi feedback

[Jesse Chappell]

 * added support for midi parameter feedback.  when enabled, controls
   that are bound to incoming midi events will send out that event
   when modified.  this lets you control generic midi control surface
   with motor faders and/or led encoders, to match the internal
   state.  note the extra/changed options in the option editor's midi
   tab. also note that automation playback does not yet send midi feedback.


 * added generic midi bindability for mute, solo, and rec-enable controls.
   to do it,