Added class description
Added class description

Change-Id: Ifbeb44182ae69a3f308d40e7c887872b77733039

biddisco/VTK,msmolens/VTK,sankhesh/VTK,SimVascular/VTK,hendradarwin/VTK,mspark93/VTK,demarle/VTK,daviddoria/PointGraphsPhase1,johnkit/vtk-dev,gram526/VTK,msmolens/VTK,berendkleinhaneveld/VTK,collects/VTK,candy7393/VTK,berendkleinhaneveld/VTK,keithroe/vtkoptix,sankhesh/VTK,demarle/VTK,spthaolt/VTK,collects/VTK,sumedhasingla/VTK,cjh1/VTK,spthaolt/VTK,berendkleinhaneveld/VTK,demarle/VTK,SimVascular/VTK,cjh1/VTK,aashish24/VTK-old,mspark93/VTK,sankhesh/VTK,cjh1/VTK,msmolens/VTK,biddisco/VTK,keithroe/vtkoptix,sankhesh/VTK,SimVascular/VTK,johnkit/vtk-dev,cjh1/VTK,gram526/VTK,berendkleinhaneveld/VTK,ashray/VTK-EVM,daviddoria/PointGraphsPhase1,demarle/VTK,sankhesh/VTK,jmerkow/VTK,berendkleinhaneveld/VTK,mspark93/VTK,ashray/VTK-EVM,collects/VTK,johnkit/vtk-dev,keithroe/vtkoptix,sumedhasingla/VTK,mspark93/VTK,biddisco/VTK,berendkleinhaneveld/VTK,SimVascular/VTK,gram526/VTK,spthaolt/VTK,SimVascular/VTK,johnkit/vtk-dev,mspark93/VTK,keithroe/vtkoptix,jmerkow/VTK,daviddoria/PointGraphsPhase1,msmolens/VTK,daviddoria/PointGraphsPhase1,collects/VTK,sumedhasingla/VTK,msmolens/VTK,sankhesh/VTK,spthaolt/VTK,sumedhasingla/VTK,ashray/VTK-EVM,candy7393/VTK,cjh1/VTK,spthaolt/VTK,biddisco/VTK,SimVascular/VTK,biddisco/VTK,demarle/VTK,hendradarwin/VTK,aashish24/VTK-old,keithroe/vtkoptix,gram526/VTK,aashish24/VTK-old,sankhesh/VTK,demarle/VTK,SimVascular/VTK,gram526/VTK,aashish24/VTK-old,jmerkow/VTK,spthaolt/VTK,candy7393/VTK,jmerkow/VTK,ashray/VTK-EVM,keithroe/vtkoptix,sumedhasingla/VTK,msmolens/VTK,berendkleinhaneveld/VTK,sumedhasingla/VTK,ashray/VTK-EVM,candy7393/VTK,sumedhasingla/VTK,collects/VTK,cjh1/VTK,keithroe/vtkoptix,gram526/VTK,hendradarwin/VTK,keithroe/vtkoptix,gram526/VTK,gram526/VTK,demarle/VTK,msmolens/VTK,collects/VTK,SimVascular/VTK,hendradarwin/VTK,johnkit/vtk-dev,daviddoria/PointGraphsPhase1,sumedhasingla/VTK,ashray/VTK-EVM,hendradarwin/VTK,sankhesh/VTK,mspark93/VTK,hendradarwin/VTK,msmolens/VTK,aashish24/VTK-old,johnkit/vtk-dev,ashray/VTK-EVM,mspark93/VTK,biddisco/VTK,mspark93/VTK,johnkit/vtk-dev,biddisco/VTK,jmerkow/VTK,candy7393/VTK,jmerkow/VTK,spthaolt/VTK,jmerkow/VTK,jmerkow/VTK,ashray/VTK-EVM,aashish24/VTK-old,candy7393/VTK,hendradarwin/VTK,daviddoria/PointGraphsPhase1,candy7393/VTK,candy7393/VTK,demarle/VTK