Finish clust -> clustering rename (and keep compatibility with -Dts.clust)

Conflicts:
	testsuite/integration/clustering/pom.xml
	testsuite/pom.xml
[WFLY-3656] Use chained transformers for messaging subsystem

JIRA: https://issues.jboss.org/browse/WFLY-3656
Merge pull request #6586 from jmesnil/WFLY-3656_messaging_chained_transformers

[WFLY-3656] Use chained transformers for messaging subsystem
Merge pull request #6592 from rhusar/clustering_testsuite2

Finish clust -> clustering rename (and keep compatibility with -Dts.clus...
Use builder, not deprecated constructor
Merge pull request #6599 from bstansberry/fix-use-depr

Use builder, not deprecated constructor