[ardour-dev] latest CVS commit

[Paul Davis]

   * fix heirarchical nesting in region list of regions
        derived from whole-file regions
   * fix cursor problems with "padlock" in regionviews
   * added "lock", "unlock", "normalize", "reverse" to region context
        menu
   * add new operation to captured regions in their "captured"
        location (does not work for embedded/imported regions). the
        operation is in the region context menu as "Original position".
   * fixes for region naming when handling external audio files
   * libardour:  0.731.0
     ardour/gtk: 0.456.0