Ooookay, upped the Prez guns firing rate from 6 to 7. Reduced number of snipers to 2. 
Stand on the metal thingy on the roof and look toward the yellow respawn, then push use to
control the appropriate turret, for getting them unstuck. extended trigger_hurt.

Eliminated Invincibility, added red as an ally of yellow. Translation, red can hurt yellow,
but not vice versa :)