Set a dynamic nutriscore for restauration

• Add german language for header and footer
• Add slider
• Rework the organism 'restauration'

• Add link to legal footer

• Fix icons position #483

• Add posts navigation to the blog detail #480 #481
• Fix contact columns alignment #478
• Fix browse button in async mode #477

• Fix loading jQuery in a non-http server
• Fix contact list data
• Improve contacts column data

• Add FAQ organism #473
• Remove spacing between full containers with coloured background #475
• Use googleapis instead of code.jquery for fetching jquery lib

• Add project-list #469

Fix carousel bugs #468

• Some fixes for the latest Bootstrap