The repository has been moved to http://opencvlibrary.svn.sourceforge.net/svnroot/opencvlibrary/trunk.
Please, read http://opencvlibrary.svn.sourceforge.net/svnroot/opencvlibrary/trunk/opencv/INSTALL.
Some obsolete stuff that has not been transferred to the new SVN repository can be found here:
https://sourceforge.net/project/showfiles.php?group_id=22870&package_id=80741&release_id=655389