ISPN-4328 Upgrade JGroups to 3.5.0.Beta7

* Update TEST_PING to the new Discover interface
* group_addr field changed to cluster_name
* add is_coord to PingData response
ISPN-4129 Inlcude Query, CDI, JCache and the LevelDB and REST cachestores to the AS modules

* Splitted as-modules in embedded and client
* Added JPA cache store too