Move VisItBridge forward to support time series properly

Change-Id: I17e17f7a8e79904059989a0a3ebda89483ab7050
Merge topic '13343_fix_time_serie_visit_readers' into next

ba9ecc7 Move VisItBridge forward to support time series properly
Switch vtk class used for Image Reader depending if MPI is built

Change-Id: I101426bf454d435000def0f94d51aa0e20f562b1
Fix ImageReader to choose between MPI and non-mpi reader

Based on build configuration a meta reader (vtkPVImageReader)
inherit from either vtkMPIImageReader or vtkImageReader.
This allow us to point to the proper one in the XML without #ifdef
that disrupt the XSL that are used to generate the documentation.

Change-Id: I6e745d9188318345f0669148bb88a12666da2610
Merge topic '13968-disable-invalid-proxy-when-mpi-off' into next

67624ab Fix ImageReader to choose between MPI and non-mpi reader
310ee8c Switch vtk class used for Image Reader depending if MPI is built
Fix import in Collaboration python script

Change-Id: If2c75c586818b32c0e9f8513bfc9c6648f6defe1
Merge topic 'fix_collaboration_import' into next

7f0fee5 Fix import in Collaboration python script
BUG #13984: Expose 'HeaderType' for XML writers.

Exposing HeaderType property of XML writers to enable selecting of 64-bit
headers, if requested.

Also fixing pqWriterDialog to use the newer pqProxyWidget to create the
auto-generated panel.

Updating pqProxyWidget to support legacy 'show="0"' Hint type to hide
properties.

Change-Id: Id613a1c8f6ecdf81d1640e33192324e6dc884f52
Update VTK to bring writer fixes.

Change-Id: Ib10d2fa0dff696aef63949f2ef11edc9ce97c535
Merge topic '13984_64bit_headers_for_xml_writers' into next

4c1ddd3 Update VTK to bring writer fixes.
40d1994 BUG #13984: Expose 'HeaderType' for XML writers.
Enable any compatible array for MaterialInterfaceFilter output

Change-Id: I972b7ab695a6cbd614bbe214db001395cda015c4
Merge topic '12412_enable_pass_data_MaterialInterfaceFilter' into next

4e7d217 Enable any compatible array for MaterialInterfaceFilter output
Eliminate unused variable warning.

Change-Id: I30dc8e31e9ccb3421f095cc402b332a77b9344cd
Merge topic 'scalarbar_from_vtk' into next

b69e093 Eliminate unused variable warning.