Ubuntu, add FTP task support for ant.
wget http://www.fayea.com/apache-mirror//commons/net/binaries/commons-net-3.1-bin.zip
unzip commons-net-3.1-bin.zip
sudo cp commons-net-3.1/commons-net-3.1.jar /usr/share/ant/lib/
rm -rf commons-net-3.1
rm -rf commons-net-3.1-bin.zip