Change order of phone number formats

The E.164 format is less frequent in spam than the US format, and the US
format is less frequent than the Indian format. This should speed up
SmokeDetector a bit.

findspam.py

@@ -43,7 +43,7 @@ def testpost(title, user_name, site):
 
     @staticmethod
     def checkphonenumbers(matched):
-        test_formats = [ None, "US", "IN" ]
+        test_formats = [ "IN", "US", None ]
         for phone_number in matched:
             for testf in test_formats:
                 try: