build distrib with skipping tests
svn co  https://svn.apache.org/repos/asf/tomcat/sandbox/trunk-mvn-build
cd trunk-mvn-build
mvn clean install -DskipTests
cd apache-tomcat/target/apache-tomcat-7.0.24-SNAPSHOT-bin/apache-tomcat-7.0.24-SNAPSHOT/bin/
./startup.sh