Log Message:
Update ns-plugger-* packages to 4.0.  Notable changes include:

    * Shows more mime types, including word, excel and pdf documents.
    * Updated pluggerrc to include applications for more platforms.
    * Now has the ability to use X applications *without* $window
    * New configuration keywords: swallow, fill, maxaspect, nokill
    * Moved some plugger functionality into an external program for more
      reliable operation.
    * Made the buffering code better