Reverted BMW again. But only running the new rotl on compute 5.2.
Use klaus's method to check the hash.
bether launchbound on 970/980 cards
Bmw, bether performance on 970/980
faster x13/x14/x15
Keep the smallest nounce. Hash speedup and bether on the pools.
Merge branch 'windows' of https://github.com/sp-hash/ccminer into windows