
svg_validate
   * Add option to suppress creation of .orig files
   * Add command to undo and move the .orig's back
   * Add option to generate the tagged files into a separate tree
   * Add options to enable specification of larger amount of metadata

   * --passfail shouldn't *prevent* processing of files
   * Add option to control whether files are processed
   * Figure out why svg_metadata produced hash codes for keywords
