Ran pngs through imageoptim
Change header sticky behaviour

In order to make it less confusing, the header is not sticky to
the top of the page when it has it's transparent-class toggled.
Add route translations, improve translations

The english route translations is an atempt to make the translated
routes work with heroku. Right now, only the swedish routes are
working.
Move cross icon, adjust mobile nav look
Update home, minor content tweaks

- Update fonts
- Improve beamer
- Add fair contact info
- Fix missing translations
- Add more fa-Xx classes