Stand 2019-02-28.

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

frontend/id/catalogue.json

@@ -1,8 +1,8 @@
 {
     "catalogue": {
         "volume": "Volume",
-        "public": "Public",
-        "not_public": "Not public",
+        "public": "Publik",
+        "not_public": "Tidak publik",
         "title_main": "Museum-Digital",
         "title_sub": "Catalogue of objects for",
         "generated": "Generated"