replace VTK's nonstandard Doxygen with standard markup

generated via:
cd $VTKSRC
perl Utilities/Doxygen/doc_header2doxygen.pl --to ~/tmp/vtkheaders .
cp -r ~/tmp/vtkheaders/* .
2 jobs for reindent
Status Job ID Name Coverage
  External
passed kwrobot-commit-check

passed kwrobot-commit-check