relax SVN archive

The relax_disp.catia_input user function now has a GUI icon associated with it.

Implemented the relax_disp.catia_execute user function.

This is modelled on the palmer.execute user function.

More improvements for the relax_disp.catia_input user function.

The output directory for CATIA results is now an argument for the main backend function.
This directory is now also created, as required by CATIA.

Improvements to the relax_disp.catia_input user function.

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

Fix for the CATIA main execution file created by relax_disp.catia_input.

The CATIA DataDirectory needs a '/' at the end.

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.

The relax_disp.catia_input user function now creates the main CATIA input file and all R2eff data files.

Created the Relax_disp.test_hansen_catia_input system test.

This is to check the output of the relax_disp.catia_input user function.

Started to create the relax_disp.catia_input user function.

The frontend has been written and a stub of a function for the backend. The new
specific_analyses.relax_disp.catia module has been created for this.

Updated the relax_disp_trunc.py script for Flemming Hansen's CMPG test data.