BUG: #7453.
BUG: #7453.

Now the measured geometry can be properly comdined into a
vtkMultiBlockDataSet object, once it is loaded. In addition, it can be
correctly interpreted and the timestep retrieveal of the associated
measured scalars is supported.

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