Cleaned up debug messages.

Also pqPythonShell was printing the ParaView version string in the OutputWindow.
Fixed that as well.

Change-Id: I13e8967ab050a8d59d4398911c34b9bb271a709e
Merge topic '14064_cleanup_catalyze_script' into next

349230d Adding in checks for dictionary entries from manifest.json.
Merge topic 'flip-scalarbar-labels' into next

fec7960 Tweak scalar bar actor.
Merge topic '14062_test_catalyst_outputs' into next

b100285 Enabling the CoProcessingTestInput test for static builds.
a51ec97 Making the test run with ${MPIEXEC} if needed.
Merge topic 'refactor_python_interpretor' into next

a1e6340 Cleaned up debug messages.
4b222f9 Update VTK to bring in vtkPythonInterpreter changes.
9ed23c1 Cleanup text displays from Python.
d2f6357 Overcome issues with trace.
10e6f51 Cleaning up ActiveSession logic.
cd547db Refactoring use of embedded Python in ParaView.