MELODY-13: merge org.eclipse.sirius.query.legacy.doc with
org.eclipse.sirius.query.legacy
MELODY-13: merge org.eclipse.sirius.query.legacy.ecore with
org.eclipse.sirius.query.legacy
MELODY-13: merge org.eclipse.sirius.query.legacy.gen with
org.eclipse.sirius.query.legacy
MELODY-13: merge org.eclipse.sirius.query.legacy.tools with
org.eclipse.sirius.query.legacy