Some Bugfixes and Improvments

- Update the libary gson.
- Deleted some unuseful Code.
- added some locals to locales config.

app/src/main/java/com/michatec/radio/dialogs/AddStationDialog.kt

@@ -42,10 +42,6 @@ class AddStationDialog (
     }
 
 
-    /* Define log tag */
-    private val TAG = AddStationDialog::class.java.simpleName
-
-
     /* Main class variables */
     private lateinit var dialog: AlertDialog
     private lateinit var stationSearchResultList: RecyclerView