* don't set properties on m_instance unless it's a success
* set the duration and target propreties on each pass through start
svn path=/trunk/KDE/kdelibs/; revision=1120786
* get rid of some members that were really only used as local members
* make the fps stuff optional (and off by default)
svn path=/trunk/KDE/kdelibs/; revision=1120750