[ardour-dev] latest SVN commit

[Paul Davis]

  * track re-naming patch from brian
  * slightly modified F11-bug workaround from brian
  * undo/redo items in edit menu now show operation to be
      undone/redone  
  * canvas allocations now handled by an idle handler
  * region views respond to changes in fade/in/out curves
  * undo/redo possible for some fade in/out operations
  * automation tracks extend to max_frames

  * rev 1134