WFLY-3810 Graceful shutdown support for mod_cluster
Properly register metric
Move undertow subsystem off SVH and use simplified api
WFLY-4079 Take methods with no method-intf into account when determining the transaction attribute
Update mod_cluster to latest version.
Upgrade to httpclient 4.3.6
Merge pull request #6968 from wildfly/upgrade-http

Upgrade to httpclient 4.3.6
upgrade httpcore to 4.3.3
Merge pull request #6832 from ctomc/undertow

Move undertow subsystem off SVH and use simplified api
Merge pull request #6914 from stuartwdouglas/WFLY-3810

WFLY-3810 Graceful shutdown support for mod_cluster
Merge pull request #6953 from stuartwdouglas/method-intf

WFLY-4079 Take methods with no method-intf into account when determining...
Merge pull request #6958 from jfclere/master

Update mod_cluster to latest version.
Merge pull request #6970 from kabir/upgrade-http

upgrade httpcore to 4.3.3