1) address comments on PR. 2) add unit test of RPSCount     -- added code from supporting library for verifying log4j activity -- by just copying it in (since the library is not yet available in maven binary repositories).
1) address comments on PR.
2) add unit test of RPSCount
    -- added code from supporting library for verifying log4j activity -- by just copying it in (since the library is not yet available in maven binary repositories).

pulkitpivotal/ndbench,pulkitpivotal/ndbench,pulkitpivotal/ndbench,pulkitpivotal/ndbench