SWITCHYARD-1484: Upgrade KIE/Drools/jBPM from 6.0.0.Alpha9 to 6.0.0.Beta3
[SWITCHYARD-1391] - Enable HTTP proxy support in gateways
SWITCHYARD-1548 Add EAR deployment quickstart
SWITCHYARD-930 Problems when using JCAMixIn in the application testing

* fix jboss-logging conflict
* fix to retrieve HornetQ version from HornetQ class but not from environment variable
SWITCHYARD-1559: Create AS7 maven assembly for KIE/Drools/jBPM module dependencies
SWITCHYARD-1574 Review public APIs and config
SWITCHYARD-1575 Update riftsaw version to 3.0.0.Final
add missing plugin definitions to dependency management
SWITCHYARD-1570 Update to Core Console 1.5.4.Final
SWITCHYARD-1558 Update license headers

Update license header to Apache License v2.0.