added script to drive the builds. updated others to accept parameters
<project >
<!-- WS_DIR is set in the associated shell scripts -->
<property environment="env"/>
<echo message="workspace: ${env.WS_DIR}"/>
<eclipse.buildScript
elements="feature@org.symbian.tools.wrttools"
buildDirectory="${env.WS_DIR}"
pluginPath="/usr/eclipse/JEE/eclipse/plugins"
/>
</project>