Modified methods to get engine through the sbi_organization_engine

git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi@22188 99afaf0d-6903-0410-885a-c66a8bbb5f81
git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi@22189 99afaf0d-6903-0410-885a-c66a8bbb5f81