vtkNetCDFCFReader to use image data with no dimensions
vtkNetCDFCFReader to use image data with no dimensions

The netCDF reader previously raised an error when no variables with
dimensions were loaded.  It now just assumes a vtkImageData, which is
a reasonable container.

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