zeusminer: refactoring nocheck_golden to ignore_golden_nonce (for consistency with other / planned settings)
icarus: introduce the option to calculate hashrates based on info->Hs rather than info->nonce_mask
icarus: refactoring: clarifying & commenting settings
icarus: allow other Icarus-based drivers access to chips, cores, freq
verified cannot use fpga_count for this sort of data
zeusminer: refactoring: comments, constants
zeusminer: bugfix: ignore info->nonce_mask, use calculated Hs for hashrates