serialization

git-svn-id: http://lire.googlecode.com/svn/trunk@190 f280a053-6817-128d-8a7e-cdf98506035a
added ucid.qrel

git-svn-id: http://lire.googlecode.com/svn/trunk@191 f280a053-6817-128d-8a7e-cdf98506035a