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Adds mesh name (string) parameter to data access methods in the data
adaptor data API. Adds methods to query number of meshes and mesh names
by index to data adaptor metadata API. Updates data adptors, analysis
adaptors, and mini-apps too use the new API.
Co-Authored-By: Brad Whitlock <bjw.ilight@gmail.com>

SWIG's -threads flag tells SWIG to release GIL before entering
all wrapped functions, the idea being that Python can run concurently
with the wrapped C++ code. This is only safe when the wrapped code
aquires the GIL before making calls to the Python API, and the
interpreter has to be initialized for threading. Niether of these
are true by default in ParaView leading to mysterious segv's.
Note, there is a CMake flag that can toggle the correct behavior
at compile time. However, it is disabled by default so we will
not use -threads.

Add a MeshMetadata class to organize and manage metadata associate
with meshes such as mesh names, point and cell data arrays and ghost
node and zone metadata.
Co-Authored-By: Brad Whitlock <bjw.ilight@gmail.com>

A collection of helper functions for common tasks dealing
with VTK

a helper class to handle XML parsing and track mesh name,
and point and cell data array names to be processed during
analysis.

Add a finalize method, this should be called by the bridge
before the analysis is deleted giving the analysis a chance
to clean up and shut down. The motivation is to ease use of
smart pointers with analyses that need to do MPI calls to
clean up and shut down. Without an explicit finalize step
the analysis potentially end up calling MPI after MPI_Finalize
because the smart pointer goes out of scope after MPI_Finalize
is called causing run to abort/crash.

Python3 friendly prints

See merge request !58

fix case of call in typemaps

See merge request !57

fix missing include

See merge request !56

Python data adaptors

See merge request !54

Add a data adptor that implements the data adptor API
with call backs. This enables the creation of new data
adaptors using functional as opposed to polymorphic
approach. This will simplify data adaptor creation in
Python and Fortran.

This patch protects the Python interpreter from C++
threaded code that potentially invokes Python code.

Also, Force SWIG to release the GIL before C++ calls.
This lets the Python interpreter run concurently with
C++ as long as the C++ code doesn't execute and Python
code. senseiPyGILState object can be used to protect
C++ code that invokes Python code.

Adjust camera properly for Catalyst slice image output.

See merge request !51

Ctest documentation

See merge request !50

cleanup a warning on Apple clang

See merge request !49

* Fixes an issues with BP read method
* Add support for CTest
* Add regression test for ADIOS FLEXPATH and BP methods
* Fix version detection regex, it did not work with tags
* Cleanup warnings reported by Apple Clang
* Fix missing include in Python wrapping
* Hide static overloads from SWIG
* Fix CMake warnings about CMP00053

See merge request !48

This resolves issue #2

it was not working when a tag was checked out. in that
case the match failed because git describe does not
append the SHA at the end. we currently didn't use the
SHA anyway so I changed the regex to match 0 or more
character at the end of the vX.Y.Z

Add Python based regression test exercising
ADIOSAnalysisAdaptor, ADIOSDataAdaptor, and VTKDataAdaptor.
These tests exercise FLEXPATH and MPI/BP methods on
uniform Cartesian(vtkImageData) and unstructured(vtkPolyData)

* Add support for CTest and configure dashboard at
  cdash.hpcvis.com

* sensei_add_test CMake function.  This function handles a number of
  common tasks associated with adding regression tests, such as
  compiling test executable, enabling tests based on the projects CMake
  options, and parsing test output for occurances of strings like
  "ERROR" that indicate a failure.