SWITCHYARD-1484: Upgrade KIE/Drools/jBPM from 6.0.0.Alpha9 to 6.0.0.Beta3

SWITCHYARD-1484: Upgrade KIE/Drools/jBPM from 6.0.0.Alpha9 to 6.0.0.Beta3
https://issues.jboss.org/browse/SWITCHYARD-1484