Swap the order of the first ally colors

This changes nothing for the players, but when spectating a 2v2 it makes the blue team use Blue+Green instead of Blue+Blue.
speccing: no teal
reinstate green as first color (for simple colors)
Merge pull request #379 from sprunk/patch-32

Swap the order of the first ally colors - makes spectated 2v2 use Blue+Green instead of Blue+Blue.