big cleanup

Rev: tutorial/.cvsignore:1.2
Rev: tutorial/Makefile:1.2
Rev: tutorial/array.gif:1.2(DEAD)
Rev: tutorial/function.gif:1.2(DEAD)
Rev: tutorial/inherit.gif:1.2(DEAD)
Rev: tutorial/mapping.gif:1.2(DEAD)
Rev: tutorial/multiset.gif:1.2(DEAD)
Rev: tutorial/object.gif:1.2(DEAD)
Rev: tutorial/program.gif:1.2(DEAD)
Rev: tutorial/tutorial.wmml:1.12
Rev: tutorial/wmml_to_html:1.4