CdaVO
Contains classes org.xtreemos.wp35.cda.VO and org.xtreemos.wp35.cda.VOUser
Depends on CdaUtil.jar

Class VOUser is directly used by CdaXvomsUtil, which is in turn used by CdaServer.
Class VO (specifically, the inner class VO.Attribute) is used by class VOUser in its
constructor.

Refactored to avoid circular dependencies.

Compile via 

ant clean; ant jar

NB There is no 'dist' target in the Ant build file 'build.xml'

