Update script for ThirdPary/libproj4
Update script for ThirdPary/libproj4

Changes to proj4 are stored at
https://gitlab.kitware.com/third-party/proj.git in for/vtk branch.
The update script is run to move those changes into ThirdParty/libproj4/vtklibproj4

sumedhasingla/VTK,SimVascular/VTK,sumedhasingla/VTK,SimVascular/VTK,SimVascular/VTK,keithroe/vtkoptix,sumedhasingla/VTK,sumedhasingla/VTK,keithroe/vtkoptix,SimVascular/VTK,keithroe/vtkoptix,SimVascular/VTK,SimVascular/VTK,sumedhasingla/VTK,sumedhasingla/VTK,keithroe/vtkoptix,keithroe/vtkoptix,SimVascular/VTK,keithroe/vtkoptix,sumedhasingla/VTK,sumedhasingla/VTK,keithroe/vtkoptix,keithroe/vtkoptix,SimVascular/VTK