Upstream ccminer 2.2.4

Update to upstream ccminer 2.2.4.

Minimal supported GPU is GeForce GTX 750, 830M.

stratum

Supports stratum protocol for gostd mining

shared memory

1.0.3-gost

use shared memory for tables

fast mining

1.0.2-gost

use __byte_perm to extract byte

steady mining

1.0.1-gost

changed minmax for gost

first working

1.0-gost

correct sequence of nonces