* add getAdjacentFaces on Solid
* TrackballControls.js
* add makeThickSolid  + tests
* start makeDraftAngle
* improve fastbuilder dealing with function returning arrays of shapes
* add makedraftangle
* replace solid.fillet self operation with occ.makeFillet as operation returning a new object.
* improve naming : add edge and vertex naming (wip)
* ignore bak files