Merge topic 'fix_warnings'

eb0b04d3 Fix warning (incorrect comparison).
Merge topic 'pyhton_highlighting_for_python_cue'

a109edec Add Python syntax coloring to PythonAnimationCue editor.
Merge topic 'qt5.3_fixes'

0623f46f Update vtkqttesting to bring in Qt 5.3 fix.
Merge topic 'reorganize-pvweb-guides'

b132097b Overhaul of the ParaViewWeb guides.
Merge topic 'vr_plugin_fix'

2c26243e Added missing return statement
Merge master into next

* commit 'aa525d5d662ea6c7036e47a07e4c8a146a773e5f':

Change-Id: I137fd725958a977fecce7ed30937d03cf0d15065
Merge topic 'fix-mpi-finalize' into next

3a80e90b Prevent vtkProcessModule from calling MPI_Finalize() twice