[CR] Roadblocks

I hated to leave that stash code sitting around unused, and given martial law and other similar counterinsurgency/zed-containment issues, roadblocks seemed an obvious solution.

Also includes a new turret and Upgraded high-end military bots.  Hopefully you've got a spare LAW sitting around.
Unfortunately the AI is set such that nobody will ever hear the Ominous Swivel.  Gonna take the JA2 approach and give a Bad Feeling, I think: "You have to move.  NOW." or somesuch.