This project is part of SysFera-DS.
See http://www.sysfera.com/sysfera-ds.html for more information.
Scripts to use these generators are in the Vishnu project (https://github.com/SysFera/vishnu) in the scripts subdirectory.
You will need to download Astah Community edition (http://astah.net), and get the astah-community.jar. Then, copy this file into com.sysfera.codegen.docbook/libs.
SysFera http://www.sysfera.com