New home page

Fixes #70. This should be merged after #293.

- [x] Desktop styles
- [x] Tablet styles
- [x] Mobile styles
- [x] Test in IE 8 - 11
- [ ] Fix HTML linter issues
- [ ] Fix media queries in IE 8
Can you give me a 2 second explanation of this?
- _home.css_ includes everything from styles/home/\*.css
- _main.css_ includes everything in styles/\*.css __AND__ styles/home/\*.css