BUG: Correct the image stitching when boundaries are on.
BUG: Correct the image stitching when boundaries are on.

Previously when doing boundary overlap fixing we would ignore the boundary
overlap on copy time. The memcpy has been fixed to properly never copy parts
of the image that are a boundary.

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