Moved "License" navbar link under "About".

Also removed image from footer and added a "License" badge with the other
links in the footer. Adjusted footer spacing after removing the CC-BY image.
Merge pull request #226 from gvwilson/master

Home page for UBC Python boot camp
Merge pull request #227 from gvwilson/master

Fixing dates in UBC Python boot camp
Merge pull request #224 from jiffyclub/move-license-links

Move license links
Schedule for Paris bootcamp