Add new cities to city-mapping.json (#31)

Author: larswmh

app/static/other/city-mapping.json

@@ -490,5 +490,7 @@
   "scottsdale": "us",
   "udangudi": "in",
   "banovce nad bebravou": "sk",
-  "zvolen": "sk"
+  "zvolen": "sk",
+  "kingsville": "us",
+  "hlohovec": "sk"
 }