Release Notes 2018.04.28

* Major building system changes.
* Piece and group cloning. Hold alt while clicking.
* Far less visual clutter while building.
* Much faster piece snapping on large boats.
* Disconnected pieces are highlighted.
* Established joints show on mouseover.
* Camera movement with keyboard when not holding a piece.
* More build camera settings.
* Build settings quick access button from build mode.
* Fix: Snapping could be confused by looking up while over an island.
* Fix: Holding pieces while clicking UI buttons caused errors.
* Fix: Prevented Ronne`s feet from disappearing.
* Fix: Corrected hiding build stations only when in storms.
* Updated to vanity discord link.
* Updated to Unity 2017.4.1.