ISPN-2255 FineGrainedAtomicMap missing key,value pairs in some cluster nodes in distributed mode, embedded infinispan cache

* Fixed bug in values() method in which the uncommitted values was not visible inside the transaction.
Cleanup FineGrainedAtomicMapAPITest
ISPN-3862 Upgrade JBoss Marshalling to 1.4.2.Final
ISPN-3863 Remove references to lockSupportStore from JDBC and LevelDB store schemas
Fix error caused by ISPN-2255
ISPN-3778 ClusteredCacheWithAsyncDirTest throws lots of "org.h2.jdbc.JdbcSQLException: Unique index or primary key violation"

The jdbc cache stores of two nodes collide using the same in-memory H2 database instance. The config file should not specify hardcoded jdbc connection pool settings; these should rather be set in code ensuring a unique database name for each node.