This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
Web Flow documents are very easy to create from scratch and you wouldn't get any benefit of a "gen" script to create just an xml document for you. the configuration in xxx-servlet.xml is just really two entries. Again no real gain of a gen script needed here.