Update to poi-3.0.2, 2nd iteration

Files:
modified: /cocoon/trunk/blocks/cocoon-jcr/cocoon-jcr-impl/pom.xml (try)
modified: /cocoon/trunk/blocks/cocoon-poi/cocoon-poi-impl/pom.xml (try)
modified: /cocoon/trunk/parent/pom.xml (try)