Added Icons for the ExamWizard (and maybe others).
Added Files:
resource/de/fhworms/ztt/ox/resources/icons/add.gif
resource/de/fhworms/ztt/ox/resources/icons/addAll.gif
resource/de/fhworms/ztt/ox/resources/icons/remove.gif
resource/de/fhworms/ztt/ox/resources/icons/removeAll.gif
resource/de/fhworms/ztt/ox/resources/images/wizard.gif
