Update EventBus.groovy


add support Set as message of eventbus
Upgrade to groovy 2.3.3
CompileStatic seems more exigent in Groovy 2.3, adding types
Merge branch 'jkschneider-master'
Merge branch 'master' of github.com:zeneye/mod-lang-groovy into zeneye-master
Merge branch 'zeneye-master'
Updated Vert.x version and module version used in tests
Adding SSLContext setters for net and http default implementations
removing a wrong test
groovy.source.encoding to UTF-8