add org.sonatype.sisu:sisu-guava in enforcer exclude

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1476757 13f79535-47bb-0310-9956-ffa450edef68
use guava 14.0.1

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1476758 13f79535-47bb-0310-9956-ffa450edef68
use last version

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1476759 13f79535-47bb-0310-9956-ffa450edef68