Merged in fix/SW-378-footer-language-switcher (pull request #579)

fix(SW-378): Added close button to footer language switcher and made it slide up from below

Approved-by: Fredrik Thorsson
Approved-by: Matilda Landström

i18n/dictionaries/de.json

@@ -98,6 +98,7 @@
   "Log in here": "Hier einloggen",
   "Log in/Join": "Log in/Anmelden",
   "Log out": "Ausloggen",
+  "Main menu": "Hauptmenü",
   "Manage preferences": "Verwalten von Voreinstellungen",
   "Map": "Karte",
   "Map of HOTEL_NAME": "Map of {hotelName}",