relax SVN archive

Added checks for the presence of any extractable data from the file.

The file data is now always checked.

Modified the data reading print outs.

Added a print outs for the reading of RDCs and PCSs.

Activated the RDC and PCS tensor fitting system test.

Added a script for testing out the use of RDCs and PCSs to find the alignment tensor.

Modified the full_analysis.py script to name spins if the sequence data contains no spin name info.

This is in response to the post by Pierre-Yves Savard <Pierre-Yves dot Savard att bcm dot ulaval dot
ca> at https://mail.gna.org/public/relax-users/2009-02/msg00001.html (Message-id:
<4991A4A6.5070309@...>).

Decreased the synthetic alignment by half to bring the max PCS into the 3 ppm range.

The spins from 'unresolved' are now removed from the RDC and PCS lists.

Modified the script to output all spin info into 'unresolved'.