Manifolds, unary vents, scrubbers, manual valves, connectors, and pumps are now also makable
testing has not been overly robust thus far
Known issues:
scrubbers don't seem to be able to grab nodes properly when constructed
runtime errors if you try making a pipe/manifold that doesn't connect to an already-constructed atmos object
corner pipe sections have a tendency to defy euclidian logic (most notable example has been a section of pipe that somehow had both ends tied to the same end of a different pipe section)
Added a disposal pipe dispenser that had been sitting unused in the code to Atmos. No clue if it actually works, I know the regular pipe dispenser worked fine
Did NOT add a pipe dispenser to the map, but it is there if admins want to spawn one
git-svn-id: http://tgstation13.googlecode.com/svn/trunk@396 316c924e-a436-60f5-8080-3fe189b3f50e
