Added lots o'buttons to the index page.

closes #22

The buttons look bad on the individual classes. the header button will have to do for now.
Updated bios

closes #24
Added careers page.

closes #29

left justified big apply buttons so the site responds a little bit better. Still ugly, tho.
Added school name, punched up tag line, added mission statement to index page.

closes #20
adding future classes
Merge branch 'refs/heads/integration' into az
Added images to classes page.

closes #25
Merge branch 'refs/heads/az' into integration