Added captureable tech for Dune 2000

Completes https://github.com/OpenRA/OpenRA/issues/2187 for all shipped mods.
Future bug report: "I captured an Atredies heavy factory, and the sidebar says that I should be able to build a sonic tank.  I have an IX lab, but it won't let me build them!"

![lab](https://cloud.githubusercontent.com/assets/167819/3976478/b4d4fde2-2823-11e4-8ecd-2174ecc8dd29.png)

And so on for the other cases.