- needed for triSurface output (when it comes)

- increases coverage.

STYLE: relocate some core pieces into fileFormats

- ensure that MeshedSurface and UnsortedMeshedSurface can also work
  with labelledTri faces.

- nTriangles() convenience method for meshed surfaces

- MeshedSurface::addZonesToFaces() method to copy zone information
  into the labelledTri per-face region storage.
  The goal is to replace the triSurface reading routines with
  run-time selectable ones from surfMesh.

- triFace() now initialized with '-1', which makes it behave
  equivalently to face(label).

- supply default region=0 for some labelledTri constructors.
  This allows labelledTri to work more like a triFace and makes it
  easier to use in templated methods and eases conversion from
  triFace to a labelledTri.

- labelledTri(const labelUList&) can now be used when converting
  from a face. It can have 3 values (use default region)
  or 4 values (with region).

- face, triFace, labelledTri now all support construction with
  initializer lists. This can be useful for certain types of code.
  Eg,
      triFace     f1{a, b, c};
      face        f2{a, b, c};
      labelledTri f3{a, b, c};

  Work without ambiguity.
  Also useful for templated methods:

      FaceType f{remap[a], remap[b], remap[c]};

- it doesn't actually contain 'core' code, but rather various
  instances of MeshedSurfaceProxy.

Note that since these actually act more like 'patches'
(ie, contiguous addressing) it might be reasonable to rename as

    surfPatchIdentifier / surfacePatchIdentifier

- was originally in triSurface, but is used in multiple other places

- were in triSurface, but only actually used within meshTools

- Now that the metisDecomp uses the metis definition for float/double,
  do not need to verify the scalar sizes.

Note:
- could drop precision qualifier for metis, scotch installation
  (include, lib) as being unneeded, but it is simpler to keep them
  and continue to use the FOAM_EXT_LIBBIN path
  (in case other ThirdParty software is compiled with different
  precisions).

Based on patch contributed by Alexey Matveichev
Resolves feature-request http://bugs.openfoam.org/view.php?id=2330

- Cannot pass through to underlying list constructor directly.

- As this constructor was broken, there seem to be a number of
  workarounds scattered in the code. Could revisit them in the future
  as part of code-style:

      edgeMesh(const Xfer<pointField>&, const Xfer<edgeList>&);
      CompactIOField(const IOobject&, const Xfer<Field<T>>&);
      GlobalIOField(const IOobject&, const Xfer<Field<Type>>&);
      IOField(const IOobject&, const Xfer<Field<Type>>&);

- Condition is there to catch cases where the vtkSurfaceFormat returns
  no zones (which should never be the case), but assigns a fallback
  value without first resizing.

- This format is fortunately little-used (or never used) since its
  inception.

  Using raw stream operators to write zones, points and faces in a
  single file was not well thought out - the output content varies
  with the Face template type (face, triFace, labelledFace), which
  makes it not very robust at all.

  The static read in OFSsurfaceFormat also has a bug - keeping
  transcribed faces from being passed through.

  Conclusion: removing it makes more sense that repairing and still
  not having something good.

  Do retain stream operators for MeshedSurface and UnsortedMeshedSurface,
  since they are useful for passing around data
  (eg, between processors), but they shouldn't be used for files.

- since Icc is actually mentioned in bashrc/cshrc it is consistent to
  set these values accordingly.

- Cannot test if these older reader modules actually build,
  owning largely to build issues since with paraview 3.14 (Feb 2012)
  and paraview 3.98 (Dec 2012) themselves.

- updated code to use current API level 142.

- ThirdParty build of tecio now uses CMake.

Improvements to the conversion utilities

Various changes associated with issue #204.

* Reduced code duplication for handling prostar conversion and IO
* Simple conversion to/from AVL/FIRE geometries
* New library basis for conversion to/from CCM geometries - handles multiple regions, conformal interfaces etc. No support for film or 2d shell geometries
* Improved infrastructure for writing VTK content. Will propagate usage through other parts of the code in the future.

See merge request !76

Feature keep sampled pids

Rebased version of merge request !58, following ticket closure for issue #104 .

See merge request !75

- relied on 'export' keyword, which was removed in commit b8448671

--
ENH: foamConfigurePaths support for additional items:

    -label 32|64            specify label size
    -system name            specify 'system' compiler to be used
    -thirdParty name        specify 'ThirdParty' compiler to be used

    -boost ver              specify boost_version
    -boostArchPath dir      specify BOOST_ARCH_PATH
    -cgal ver               specify cgal_version
    -cgalArchPath dir       specify CGAL_ARCH_PATH
    -clang ver              specify clang_version for ThirdParty Clang
    -cmake ver              specify cmake_version
    -fftw ver               specify fffw_version
    -fftwArchPath dir       specify FFTW_ARCH_PATH
    -metis ver              specify METIS_VERSION
    -metisArchPath dir      specify METIS_ARCH_PATH

- Follow similar pattern as per boost/CGAL with the '*-none' to disable,
  and '*-system' for system installations.

  Also support central non-ThirdParty installations by specifying the
  version as "*-system", but also providing the fully qualified
  *_ARCH_PATH too.

--
ENH: Verify label and scalar sizes used in the metis header.

- ensure they match with expected values, which can be obtained via
  the OpenFOAM definitions for WM_LABEL_SIZE and WM_PRECISION_OPTION