[WFCORE-33] Correct http-upgrade parsing with respect to 1.x and 2.x schemas.
[WFCORE-35] Take schema version into account when parsing jvm element.

Also single entry point to JvmXml.java to allow single point for a version switch.
Merge pull request #65 from darranl/WFCORE-33

[WFCORE-33] Correct http-upgrade parsing with respect to 1.x and 2.x schemas.
Merge pull request #66 from darranl/WFCORE-35

[WFCORE-35] Take schema version into account when parsing jvm element.
[WFLY-3169] Emit local JMX notifications

* Emit JMX notifications based on WildFly's own notifications
* Notification is not supported for remote JMX connections.
  Only code that can have access to WildFly's MBeanServerService can
  effectively add/remove notification listeners.
* WildFLy notification are not converted to their idiomatic JMX
  counterpart (eg WildFly's attribute-value-written is not converted to
  a JMX's AttibuteChangeNotificaiton)

JIRA: https://issues.jboss.org/browse/WFLY-3169