[robocup-small] Unique patterns - SSL Vision

[Joydeep Biswas]

Hi,

> (2) There is a magic constant in the code for the distance in the search
> tree for the green/pink color patches. Maybe this distance is too
> restrictive.

Yes, I've had issues with this as well, and is my primary suspect. I
think we should just add another entry to the VarXML tree for this
parameter and document it.

-Joydeep