Improve piping and atmospherics (#552)

* Migrate pipe code to allow multiple pipes per tile

* Add layer selection to the atmos editor

* Further work on pipes

* Improve pipe gizmos

* Increase gizmos

* Add 4 layer manifold

* Improve manifolds

* Add three layer manifold

* Remove commented code

* Add scrubbers and vents

* Add internal mode to vent

* Add internal mode for the vent

* Implement gas filter

* Start on scrubber logic

* Add range to scrubber

* vent animation

* Implement scrubber further and add interactions

* Improve scrubber and vent

* Remove small amount of gas when going inactive

* Small scrubber fix

* change max mole transfer

* Improve gizmos

* Finally get these stupid gizmos to work...

* Fix gizmos and add stop animation

* Draw new gizmos for all settings and some cleanup

* Smooth the scrubber and vent animation

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