1.5.72(sp-MOD)

-lyra2v2 +500Khash on the gtx 980 and 150khash on the gtx960
-tiny speedup quark
-Fixed the totalhashrate output in benchmark mode. (copied from the tpruvot branch)
-added the --ndevs command to list the devices (copied from the tpruvot branch)
-Improved the whirlpool hashrate on the pool (return 2 nonces)
-Fixed myriad groestl on the pool.