Merge pull request #10 from LauraHilliger/gh-pages

mostly copy edits
Update course.yml
Update course.yml
fix navbar image heights breaking design
Add glyphicons - would be better if hosted on a CDN
impliment landingpage design influnced by webmaker whitepaper prototype
impliment landingpage design influnced by webmaker whitepaper prototype
make navbar fixed top, as per makerstrap demo page
Merge pull request #11 from fuzzyfox/gh-pages

TTT Landing Page
Increase body padding
Add font awesome icons to all titles in first course
Remove unused files
Add missing images
Move github edit button to include
edited splash page