update placement page with student nav list
better responsive styling
program page
courses and stuff

- fixed responsive div collapse issue
- NB: lists are too widely spaced; maybe remove <P> wrappers
lists of course people are not <p>d
news & events + course archives
contact page
staff and grad student main pages
goofier corners
correct placement of faculty <h1>s
housekeeping

- removed some remaining header images
- removed unnecessary profile page margins
profile pages
two more things

- hide nav boxes on profile pages when screen is small
- full names on faculty profile nav box
image placement on faculty index page
fac images placed
closed <div> tags
grad student profile page nav

- separated in and not in residence students