relax SVN archive

The 'Source code repository' section of the download page is now a full section.

This is rather than being a subsection of http://www.nmr-relax.com/download.html.

Improved the index on the download page (http://www.nmr-relax.com/download.html).

This follows the post https://mail.gna.org/public/relax-devel/2011-06/msg00128.html
(Message-id: <BANLkTi=fE=HpN4GFA6mK0ngW0gf-PYj+Hw@...>).

Added missing items in the top menu of the download page.

http://www.nmr-relax.com/download.html

Created a menu on top of the download page to point towards the different platforms supported.

http://www.nmr-relax.com/download.html

This follows a post by Edward at:
https://mail.gna.org/public/relax-devel/2011-06/msg00078.html
Message-id: <BANLkTimq=4vfngu+u2WBAuTTsS0nMW+B4A@...>

Updated copyrights and autorships of web pages.

http://www.nmr-relax.com/download.html
http://www.nmr-relax.com/events.html
http://www.nmr-relax.com/features.html
http://www.nmr-relax.com/refs.html

Corrected a French/English typo on the download page
(http://www.nmr-relax.com/download.html).

This follows a message by Edward at:
https://mail.gna.org/public/relax-devel/2011-06/msg00123.html
Message-id: <BANLkTim7CVE2jepQLM+RRguHrmPB726uFQ@...>

The peak intensity GUI element is now enclosed within a StaticBox.

The left hand box of the analysis frames/windows now stretches vertically.

The NOE and Rx frames are now using the base method add_execute_relax().

Fixed the layout of the execute relax button GUI element.