Hordes nolight

Hordes.
 - more zombie groups, but less monsters count in it.
 - crossovermap signals and hordes moving
 - information about horde size and speed on map
 - more fast debug
 - tracks
 - removed light signals 
What is "this?" Signal_horde_noise? to_big_overmapcoord? signal_hordes? 
Now are only scent track. In wet weather no reason to place it.