TryLockTimeOutTest

converted SimpleLock Test which was not being used in our test suite into new lock test using a time out in the tryLock method, which none of our other test have.  a simpler junit 1-jvm version of this test uncovered some problems before 
I really don't see any reason,  holding the locks in some collection,  has any difference,  to  retrieving the lock from the hz instance, as and when we want it.