Stuff on JCache for 3.4 Release [DO NOT MERGE YET, STILL IN PROGRESS AND REFACTOR]

Contains implementations on JCache for 3.4 Release from 3.4 EA release

* Cache recordstore eviction implementation
* Cache recordstore eviction statistics implementation 
@mdogan, yep, i am already using. can there be any problem if these thread local instance is used by both of them ?