Only register transformers if we are the master DC
Deprecate ExtensionContext.isRegisterTransformers() since how transformers are registered may change
AS7-6315 Allow expressions for jndi-name
Beef up jaxr subsystem test coverage; fix bugs found
[AS7-6310] Add RuntimePermissions and permission checks to access the RemotingContext if running with a SecurityManager.
Actually check the write-attribute ops in ModelTestUtils.checkFailedTransformedBootOperations() and fix the test usage.
messaging: fix resource transformation

* add resource transformation for UNDEFINE op to
  discard new attributes
* do not discard new attributes when calling write-operation. Instead
  fail the operation if its outcome is != IGNORED
* fix FailedOperationTransformationConfig to ensure the attribute
  we check is handled by this config object
fix messaging tests for expression rejection
Make DiscardAttributesTransformer abstract to force people to think before using it
Reenable the write attribute checking
Fix JPA test to only discard the new attributes if they contain what is the default on the server
Move clear tmp dir hack to bootstrap impl
Fix system-properties core model test
AS7-6120 Add expression support to server-group management-subsystem-endpoint
Add core model testing of server group, including transformer testing
Fix misc issues revealed by testing
fix typos & values
Make sure capacity gets transformed to an int rather than a long
added SSL test & fixed write-attribute handler
add some more runtime tests
AS7-6318 datasource doesn't persist allow-multiple-users to xml
AS7-6318 improving testsuite
AS7-6330 add to AbstractSubsystemBaseTest the capability to compare resolved models