[WFLY-2243] Fixing resource adapters transformers and tests
[WFLY-2231] Fixing datasources transformers and tests
[WFLY-2231] Make DS add with enabled=true a composite with the add and :enable
[WFLY-2231] Some attributes are in fact nillable in the old model
Tests for ServiceMBeanSupport's notification capabilities (WFLY-222)
WFLY-2867: Reduce usage of Apache DS components
[WFLY-2873] Marshall undefined subsystems
WFLY-2860 adding regression tests for WFLY-2319
WFLY-2319: fixes usage of InitialLdapContext
WFLY-2875 Prevent double VFS mount if two deployments are present that use the spring integration
Merge pull request #5869 from jmartisk/master-tests-for-wfly-222

Tests for ServiceMBeanSupport's notification capabilities (WFLY-222)
Merge pull request #5864 from ctomc/undertow

Add predicate support for all filters on filter-ref
Merge pull request #5868 from kabir/maeste-transformers

Maeste transformers
Merge pull request #5870 from stuartwdouglas/spring

WFLY-2875 Prevent double VFS mount if two deployments are present that u...
WFLY-2836 https-listener requires 'https' socket-redirect + few small fixes

 - fix the way we get server port for resolving confidential port
 - fix wrongly constructed ServiceName in some scenarios for filter-ref deps
Fix NPE in securePortLookup for AJP requests.