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ISPN-4157 Update JPA store to 7.x XML parser
ISPN-4158 Remove 6.0 XML parsers and related attribute/elements

* Added JPA store 7.0 XML schema.
ISPN-4172 Update to JCache 1.0.0 specification

* Fixed how remove hit/miss count is updated in core depending
on whether the command is conditional or not.
* No more excluded tests in the TCK.