Item12453: 

   * added outfile for named pdf exports
   * improved cleanup of non printable chars that sneak in via copy&paste 
   * don't use viewfile directly. let the http server decide
   * fixing http <-> https hassles loading resources
   



git-svn-id: http://svn.foswiki.org/trunk/GenPDFPrincePlugin@16634 0b4bb1d4-4e5a-0410-9cc4-b2b747904278