add test8 to aggregator pom and ignore target dir
add test8 to aggregator pom and ignore target dir

git-svn-id: 6038db50b076e48c7926ed71fd94f8e91be2fbc9@440187 13f79535-47bb-0310-9956-ffa450edef68

khmarbaise/maven-plugins,khmarbaise/maven-plugins,khmarbaise/maven-plugins