Some falukant fixes, added undeground ui - no save right now, changed menu (and verification)

frontend/src/i18n/locales/de/navigation.json

@@ -11,7 +11,8 @@
         "administration": "Verwaltung",
         "m-chats": {
             "multiChat": "Multiuser-Chat",
-            "randomChat": "Zufalls-Singlechat"
+            "randomChat": "Zufalls-Singlechat",
+            "eroticChat": "Erotikchat"
         },
         "m-socialnetwork": {
             "guestbook": "Gästebuch",
@@ -20,7 +21,12 @@
             "gallery": "Galerie",
             "blockedUsers": "Blockierte Benutzer",
             "oneTimeInvitation": "Einmal-Einladungen",
-            "diary": "Tagebuch"
+            "diary": "Tagebuch",
+            "erotic": "Erotik",
+            "m-erotic": {
+                "pictures": "Bilder",
+                "videos": "Videos"
+            }
         },
         "m-settings": {
             "homepage": "Startseite",