update foundation and other gems
update foundation and font-awesome
fix topbar interactivity with foundation 5.1
fix #107
move intern and impressum link down to the footer
add changes to changelog
update font awesome references on index page
update foundation 5.1 overrides file
fix navbar break issue
fix bad button coloring in about page
fix #104
fix stream selector margin
fix #103
fix grid and use medium breakpoint now
smaller fonts in mobile view
font gets thin at 200 in ipad
fix margin of navbar in large view
use better font awesome icon in FAQ because it is available now
update foundation
Merge branch 'feature/update-foundation' into develop
update gems to fix travis build install problem