- use routes to split page up and simplify runtime DOM
- revert use of video embeds, very heavyweight on mobile
various changes

- nav bars at top (checkboxes and links) and bottom (login and chat)
- get rid of auto-scroll-chat-to-bottom
- switch to angular-growl for login failure notifications
- get rid of ngSanitize (no longer needed/used)
- standardize on loading angular libs from google's cdn