If ecore definition from "org.eclipse.gtm.modisco.java" is modified, please follow the steps to regenerate this alternate implementation :

- paste the new .ecore definition from "org.eclipse.gtm.modisco.java"
- delete "usage*" references from ecore definition
- specialize the EPackage nsURI in .Ecore
- launch "generate model" on .genmodel
- delete interfaces package (reuse those from "org.eclipse.gtm.modisco.java")
- modify extends of JavaFactory to extend org.eclipse.gmt.modisco.java.emf.JavaFactory
- modify extends of JavaPackage to extend org.eclipse.gmt.modisco.java.emf.JavaPackage