running Hadoop tests

install jdk 1.5 and Apache Forrest. then,
run this command:

ant -Djava5.home=/System/Library/Frameworks/JavaVM.framework/Versions/1.5/Home/ -Dforrest.home=/Users/thushara/apache-forrest-0.8 -Djavac.args="-Xlint -Xmaxwarns 1000" clean test tar