Disable inclusion of commons-logging in load tester
Disable inclusion of commons-logging in load tester

nifty-load-tester uses airlift/bootstrap, which brings in jcl-over-slf4j. Can't bring in both jcl-over-slf4j and commons-logging.

buzzxu/nifty,electrum/nifty,andrewcox/nifty,javazhangtao/nifty,szulijun/nifty,ivmaykov/nifty,facebook/nifty