Added accelrator and teleport pipes
Merge http://github.com/VanessaE/pipeworks
Added crafting recipes for teleport and accelerator tubes, changed the recipe of the detector tube
Added channel formspec for teleport tube
Added autocrafter.
Fixed a bug where items in mese tubes disappeared whan placing or removing a tube next to it.
Fixed a bug where items were not moved after teleport tube when they went to the same direction.
Merge pull request #8 from Novatux/master

Teleporter and accelerator tubes, crafting recipe for detector pipe, autocrafter