ENH: Implement IsNodeOnSharedBoundary
ENH: Implement IsNodeOnSharedBoundary

Implement method to check if a node given by its i-j-k
coordinates is on a shared block boundary.

Change-Id: I7458de80af5680acec10254fcbd2d458957b1f18

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