BUG: Fix Bug #2774 - Derivatives of interpolation functions for vtkQuadraticTriangle is wrong.
BUG: Fix Bug #2774 - Derivatives of interpolation functions for vtkQuadraticTriangle is wrong.

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