Add release script
Fix release script
ISPN-3482 Do not expose internal implementation classes through the configuration

- Rename the XSD schema namespace to infinispan:config:store:leveldb
ISPN-3478 Polish CS API revamp
ISPN-3478 Polish CS API revamp

* the root package name for stores is persistence
ISPN-3478 Polish CS API revamp

* added unit test to validate parallel iterations over entries