[ardour-dev] recent SVN commits

[Paul Davis]

   * finally correctly restore editor mixer strip visibility
   * move destructive write functionality into SndFileSource
(EXPERIMENTAL)
   * do not quit Ardour when user presses "quit" in new session dialog
if a session is open
   * save modifications to destructive-xfade-msecs
   * fixes for destructive/tape tracks offsets and related
   * fix for a race condition that allowed multiple wave view objects to
be created for a single track
   * other odds and ends
   * now at revision 1065