Upgrading to selenium-java 2.37.0 for Firefox 24 support.

Modified bean definitions due to selenium changes.

http://selenium.googlecode.com/git/java/CHANGELOG

commit f0f0a744cf7f38b1ceb828e8951b11093c49fdbf
Author: Alexandr Savchuk <a.u.savchuk@gmail.com>
Date:   Fri Sep 20 14:22:24 2013 +0400

    Deletes httpsProxy usage which is duplicate of sslProxy.