relax SVN archive

Corrected a comment to the new design.

Still the same conversions to the desing concerning the check for the loading of the sequence.

Other conversions to the new design.

Removal of run arguments and introduction of the exists_mol_res_spin_data() function.

More conversion to the new design.

More conversions to the new design.

Removed run arguments.

Converted run arguments to pipes.

Removed a deprecated run argument.

Changed the location of the temporary directory creation command.

This change now avoids relax from crashing on Windows when the directory does not exist and follows
a post by Ed at: https://mail.gna.org/public/relax-devel/2008-07/msg00047.html (message ID:
7f080ed10807291455k1d11d51fpdb2382806e55efdb@...).

Note that the directory separators are fine in Windows using the current syntax ('/').

Also, note that this change is temporary as the temporary directory should be placed in an user
accessible location and created as proposed by Ed in a post at:
https://mail.gna.org/public/relax-devel/2008-07/msg00048.html (message ID:
7f080ed10807291507x5b6aab2fv820a6fc219fc7e2b@...).

Added the ability to handle missing RDCs.