ckolivas/cgminer — pull request #510 by Eropi4 (2013-10-21 15:05:28+00:00)
Title: Add keccak mining algorithm

Keccak mining algorithm is used for copperlark (CLR) mining.
I've implemented it to cgminer.
Also made some changes to set_blockdiff function, cause I noticed a bug (sometimes wrong difficulty was calculated).