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/fi.json

@@ -99,6 +99,7 @@
   "Log in here": "Kirjaudu sisään",
   "Log in/Join": "Kirjaudu sisään/Liittyä",
   "Log out": "Kirjaudu ulos",
+  "Main menu": "Päävalikko",
   "Manage preferences": "Asetusten hallinta",
   "Map": "Kartta",
   "Map of HOTEL_NAME": "Map of {hotelName}",