Automatic hole closure:
- introduces 'holeToFace' topoSet source
- used when detecting a 'leak-path'
- creates additional baffles to close the leak
Multi-stage layer addition:
- Can add layers in multiple passes
See issues: #2403, #2404
Allows specification of extrusion path using blockMesh 'edges' syntax.
See tutorials/mesh/extrudeMesh/polyline
Contribution by Ivor Clifford/Paul Scherrer Institut