Moved navigation to top.
Merge branch 'develop' of https://github.com/EuroPython/djep into develop
Addes styling for top menu.
Moved top navigation back to header, fixed positioning.
Merge branch 'develop' into feature/topmenu
Make use of Foundation's grid in main menu
Make use of Foundations top-bar for main navigation
Add language chooser
Make new main menu responsive
Add profile menu (desktop-only right now).
Make account menu responsive and improve title-bar.
Merge pull request #43 from EuroPython/feature/topmenu2

Fixed EP-377 -- Site Navigation