Merge pull request #6 from 1l2p/master

New page, updates to index.html
Updated public/about.html
Updated public/faq.html
Updated public/index.html
Updated public/course.html
Merge pull request #7 from klaudialeja/master

Header updates
Updated public/course.html
Updated public/course.html
Merge pull request #8 from klaudialeja/master

syllabus update
Updated public/course.html
Merge pull request #9 from klaudialeja/master

Update to syllabus
Updated public/course.html
Merge pull request #10 from klaudialeja/master

Stretch
Updated banner image