add manage command to update geoip db

pandora/app/management/commands/update_geoip.py

@@ -0,0 +1,15 @@
+# -*- coding: utf-8 -*-
+# vi:si:et:sw=4:sts=4:ts=4
+from django.core.management.base import BaseCommand
+
+from ... import config
+
+
+class Command(BaseCommand):
+    """
+    """
+    help = 'update geoip database'
+    args = ''
+
+    def handle(self, **options):
+        config.update_geoip(True)