o Add dbus support to kpresenter for the following:

  * start / stop presentation
  * get number of slides, current slide, number of steps, current step
  * next/previous step, go to specific slide
  * save a preview of a page in a certain size and format to an image
    file
  * signals for when the slide/step changes

Thanks to James Hogan for implementing the feature.

CCMAIL: james@albanarts.com
CCMAIL: t.zachmann@zagge.de


svn path=/trunk/koffice/; revision=984229