fix hash rate statistics
Merge branch 'windows' of https://github.com/sp-hash/ccminer into windows
x13 hamsi constant arrays
use ROTL32 in x14_shabal
add missing overflow check
add +1

tpruvot's suggestion
Merge branch 'windows' of https://github.com/sp-hash/ccminer into windows
quark_bmw512_gpu_hash_64 optimization
Merge branch 'windows' of https://github.com/sp-hash/ccminer into windows

Conflicts:
	cuda_nist5.cu
	quark/quarkcoin.cu
	x11/x11.cu
	x15/x15.cu
fix merge
Merge pull request #4 from KlausT/windows

bmw optimization, nonce overflow checks, fix hash rate stats