relax SVN archive

Created some test RDC and PCS data to test the handling of missing data.

This includes entire data sets missing, spins missing from one type of data, and individual spins
missing.

Replace function form string module is imported.

This is used to create the dummy file entry.

relaxGUI generates a CSV file with the major parameters after final model-free analysis.

The .csv fle is a default Excel and OpenOffice file format and is opened by these programs.

Results table is prepared.

Variables are adapted.

Results are collected after final run and saved in relax data storage and added to results tab.

Pymol macros only include pdb file if selected in main frame.

Results directory is used in model-free calculation.

relaxGUI controller reports successful calculation of model-free models.

Redirection to relaxGUI controller is partially activated (for system output, not error).