Added parametrized launch for SpeedTest
Redirected SpeedTest output to stderr so that >/dev/null can be used
Added test harness
Added results for 8 threads with Par,CMS and G1 (with and without details)
Added Par results with 4 threads and without gc details
Added results with 4 threads with and without gc details
Added 12-threads results
Updated scripts to convert results to csv
Replaced instantiation of CanExecuteResult by enum type
Modified thread count in speedtest launcher