* Make more tests work in OOXMLLite compilation by adding xml security classpath and ensuring proper cleanup in some Extractor tests
* Remove downloading xerces library here, we now do this in the special Jenkins job and thus can get rid of it here

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1633166 13f79535-47bb-0310-9956-ffa450edef68