An Application object for the (persistent) Song data object.
A Song is someone who is active in the organization.
This Bean is does nifty web-oriented stuff like validating fields
and making sure everything is kosher before creating a persistent
song.
version: $Revision: 1.1 $ $Date: 2002/07/18 09:08:03 $ author: James Stiefel
Sets the WebApp object. There should be a single WebApp per context.
The JSP should set it in here before it expects this guy to do any
important work, like talk to the database.