BMW rewrite. 32% faster. Using UINT2 instead of Uint64_t
Rewrote skein to use uint2. +10-20KHASH x11,x13,x15
Merge branch 'windows' of https://github.com/sp-hash/ccminer into windows

Conflicts:
	quark/cuda_bmw512.cu
Merge branch 'windows' of https://github.com/sp-hash/ccminer into windows
small bmw optimization