[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.