* update outline with readings for week 7
* work on week 6 presentation
add images for week 6 presentation
* complete the week06 slides
* add images to support
update the outline to improve the description of week 7
add lab files and teacher answer files for week 6
update, trim a bit
consistency.  for hobgoblins
updates to the outline, link presentation for week 6
update assignment portion
week 6 work. homework incomplete