781779 Update visual style for moin-1.5.9 package.

Authored and Committed by Alain Reguera Delgado 11 years ago
    Update visual style for moin-1.5.9 package.
    
    - Previously, decorative images used for www and email links were not
      shown correctly.  This update corrects the related file names inside
      screen.css and decorative images used for www and email links are
      shown as expected now.