CleverRaven/Cataclysm-DDA — pull request #4026 by kevingranade (2013-11-01 03:19:04+00:00)
Title: Fix turrets again

M249s in particular got broken because of losing their CARGO flag, CARGO flag collisions are a potential issue, co prevented that, and turret LOS calculation (and other things probably) had bitrotted and wasn't working properly. Also some cleanup.
Fixes #3539