Edit profile name and set password improvements

src/assets/translations/de.json

@@ -1,5 +1,10 @@
 {
     "language_display_name": "Deutsch",
+    "global": {
+        "save": "",
+        "password_didnot_match": "",
+        "password_hint": ""
+    },
     "menu": {
         "start_private_chat": "Private Diskussion mit diesem Benutzer",
         "reply": "Antworten",
@@ -126,7 +131,8 @@
         "password_old": "Altes Passwort",
         "password_new": "Neues Kennwort",
         "password_repeat": "Wiederhole das neue Passwort",
-        "display_name": "Anzeigename"
+        "display_name": "Anzeigename",
+        "display_name_required": ""
     },
     "profile_info_popup": {
         "you_are": "Du bist",