Fix several typos and spacing issues with links
Push favicon.ico to S3
Hide Book Library link in navbar on Landing page
Merge pull request #158 from andrew-polk/feature/pushFaviconToS3

Push favicon.ico to S3
Merge pull request #159 from andrew-polk/feature/htmlJadeTweaks

Feature/html jade tweaks
On Preflight, correct installer link and limit what you see if not on Windows
Change what video is featured on the landing page.