New Formulas for opensaml 2.5.2

- opensaml 2.5.2 (requires boost < 1.53.0, http://shibboleth.net/pipermail/users/2013-February/008302.html)

- log4shib 1.0.6

- xml-security-c 1.7.0

- xml-tooling-c 1.6.2