relax SVN archive

Updated the news announcement link for relax version 3.0.2 at http://www.nmr-relax.com/download.html.

Corrected the news link for relax version 3.0.1 at http://www.nmr-relax.com/download.html.

This was pointing to http://gna.org/forum/forum.php?forum_id=2407 but it should have been updated to
http://gna.org/forum/forum.php?forum_id=2414.

Updated the http://www.nmr-relax.com/download.html webpage for relax version 3.0.2.

Updated the relax API documentation at http://www.nmr-relax.com/api/3.0/ to version 3.0.2.

Updated the relax HTML manual at http://www.nmr-relax.com/manual/index.html to version 3.0.2.

Added the relax 3.0.2 manual to the repository.

Updated the version number to 3.0.2.

Backported the relax 3.0.2 CHANGES file addition to trunk.

The command used was:
svn merge -r21647:21648 svn+ssh://bugman@.../svn/relax/tags/3.0.2 .

Updated the CHANGES file for relax version 3.0.2.

relax version 3.0.2.

This is a minor feature and bugfix release.