BUG: Eliminate degenerate lines before creating stencil.
BUG: Eliminate degenerate lines before creating stencil.

Change-Id: Ic13463005d502950ad2b09c2dbe73724e2eb3803

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