Reorder shader contents so version number is always first.
Reorder shader contents so version number is always first.

Some shader compilers (Mac) require the first line to contain the #version definition.

Change-Id: I337cedf48e449d66346b66b92b36875583eda3a3

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