Created the Relax_disp.test_hansen_catia_input system test.

This is to check the output of the relax_disp.catia_input user function.
The relax_disp.catia_input user function now creates the main CATIA input file and all R2eff data files.
Created a script for converting Flemming Hansen's data into CATIA input files.

This is for checking the relax_disp.catia_input and relax_disp.catia_execute user functions.
Fix for the CATIA main execution file created by relax_disp.catia_input.

The CATIA DataDirectory needs a '/' at the end.
Improvements to the relax_disp.catia_input user function.

On top of general improvements, the global parameter and parameter set files are now created.