Various fixes and updates:
Various fixes and updates:

   * Update to version 1.67.0 of the DocBook XSL stylesheets.
   * Make the use of the Batik svgrasterizer wrapper script I wrote more
     portable.
   * Fixed build failures when a symlink to the DocBook images directory
     already exists.


git-svn-id: 769d22dfa2d22aad706b9a451492fb87c0735f19@16265 08b38cba-cd3b-11de-854e-f91c5b6e4272

vrjuggler/vrjuggler,vrjuggler/vrjuggler,LiuKeHua/vrjuggler,MichaelMcDonnell/vrjuggler,vrjuggler/vrjuggler,LiuKeHua/vrjuggler,godbyk/vrjuggler-upstream-old,LiuKeHua/vrjuggler,godbyk/vrjuggler-upstream-old,MichaelMcDonnell/vrjuggler,vrjuggler/vrjuggler,MichaelMcDonnell/vrjuggler,LiuKeHua/vrjuggler,MichaelMcDonnell/vrjuggler,vancegroup-mirrors/vrjuggler,MichaelMcDonnell/vrjuggler,MichaelMcDonnell/vrjuggler,vancegroup-mirrors/vrjuggler,vrjuggler/vrjuggler,vancegroup-mirrors/vrjuggler,godbyk/vrjuggler-upstream-old,vancegroup-mirrors/vrjuggler,MichaelMcDonnell/vrjuggler,vrjuggler/vrjuggler,LiuKeHua/vrjuggler,godbyk/vrjuggler-upstream-old,vrjuggler/vrjuggler,MichaelMcDonnell/vrjuggler,LiuKeHua/vrjuggler,vancegroup-mirrors/vrjuggler,godbyk/vrjuggler-upstream-old,vancegroup-mirrors/vrjuggler,LiuKeHua/vrjuggler,LiuKeHua/vrjuggler,godbyk/vrjuggler-upstream-old,vrjuggler/vrjuggler