Merge topic 'new_composite_poly_mapper'

Rendering/Core/Testing/Cxx/CMakeLists.txt

Rendering/Core/Testing/Cxx/TestCompositePolyDataMapper2.cxx

...e/Testing/Cxx/TestCompositePolyDataMapper2CellScalars.cxx

.../TestCompositePolyDataMapper2MixedGeometryCellScalars.cxx

...ng/Cxx/TestCompositePolyDataMapper2MixedGeometryEdges.cxx

.../Core/Testing/Cxx/TestCompositePolyDataMapper2Picking.cxx

.../Core/Testing/Cxx/TestCompositePolyDataMapper2Scalars.cxx

Rendering/Core/Testing/Cxx/TestPointSelection.cxx

...esting/Data/Baseline/TestCompositePolyDataMapper2.png.md5

.../Baseline/TestCompositePolyDataMapper2CellScalars.png.md5

...tCompositePolyDataMapper2MixedGeometryCellScalars.png.md5

...ne/TestCompositePolyDataMapper2MixedGeometryEdges.png.md5

...Data/Baseline/TestCompositePolyDataMapper2Picking.png.md5

...Data/Baseline/TestCompositePolyDataMapper2Scalars.png.md5

...ta/Baseline/TestCompositePolyDataMapper2Scalars_1.png.md5

Rendering/Core/vtkMapper.cxx

Rendering/Core/vtkMapper.h

Rendering/OpenGL2/CMakeLists.txt

Rendering/OpenGL2/vtkCompositePolyDataMapper2.cxx

Rendering/OpenGL2/vtkCompositePolyDataMapper2.h