Merge pull request #42 from bstansberry/pullRequest23

rebased -- [WFLY-266] Notification Support
[WFCORE-12] Remove deprecated ExtensionParsingContext methods
[WFCORE-9] Add back removed method and deprecate it
Merge pull request #41 from bstansberry/WFCORE-12

[WFCORE-12] Remove deprecated ExtensionParsingContext methods
[WFCORE-9] Simplify registration of chained transformers for subsystems
[WFCORE-9] Fix problem reading resources in chained operation transformers
[WFLY-3566] Only remove the JMXSubsystem services if allow-resource-services-restart is set
Use the abstract TransformerResourceDefinition rather than a inner class to reference each resource type.
[WFCORE-18] Added new resource for the PeriodicSizeRotatingFileHandler