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This class is largely a pre-C++11 holdover. It is now possible to
simply use move construct/assignment directly.

In a few rare cases (eg, polyMesh::resetPrimitives) it has been
replaced by an autoPtr.

- redistributePar to have almost (complete) functionality of decomposePar+reconstructPar
- low-level distributed Field mapping
- support for mapping surfaceFields (including flipping faces)
- support for decomposing/reconstructing refinement data

otherwise.

This reverts commit c5bea524.

This reverts commit b18f6cc1.

Sensible featureEdgeMesh constructor.  Rearrangement of functions.

No longer reading or writing edgeDirections - calculating them on
read.

Properly initialising data in featureEdgeMesh constructor.

Fixing use of extend for treeBoundBox.

Removing writeObj from featureEdgeMesh constructor - calling
explicitly from surfaceFeatureExtract.

Read only support:

  .bdf, .nas - NASTRAN format. Handles both CBEAM and CROD as lines.
  CROD is what Hypermesh happens to output.

Write only support:

  .vtk - VTK legacy format in ASCII

Read/write support:
  .eMesh - native format, which is simply a list of points, edges
      with an additional IOobject header that lets them be moved about
      easily to use as a featureEdgeMesh.

  .inp - STAR-CD inp/cel/vrt combination
       IOobject header)

  .obj - Alias waverfront format

Radically simplify surfaceFeatureConvert by using the new edgeMesh
functionality.

Renamed edgeMesh -> primitiveEdgeMesh, featureEdgeMesh -> edgeMesh.  Will use a new, derived featureEdgeMesh class for cvMesh where there is additional functionality, i.e. querying normals adjacent for features edges and points.