Scott Mansell 7aff56bef5 Implement the correct method for determining field order.
Based on advice from tueidj we implement this method based on how
TVs actually determin the field order.

Removes spammy messages about "Invalid field order"
2014-07-17 23:56:23 +12:00
..
2014-02-18 12:09:38 +01:00