Stand 2019-02-28.

Noteworthy:
 - Navigation now saws institution rather than museum in non-German
   languages
 - Major progress in the arabic translation

frontend/hu/navigation.json

@@ -1,7 +1,7 @@
 {
     "nav": {
         "home": "Kezd\u0151lap",
-        "museum": "M\u00fazeumok",
+        "museum": "Int\u00e9zm\u00e9ny",
         "collection": "Gy\u0171jtem\u00e9nyek",
         "object": "T\u00e1rgyak",
         "topics": "T\u00f6rt\u00e9netek",