nanominer v1.13.0

Added support for Conflux Network's Octopus algorithm on Nvidia GPUs: 2.3 MH/s on stock 1060, p106 6.5 MH/s on stock 1080 ti Dev fee is only 2% for Octopus. Both pool mining and solo mining with node are supported.

Example of config file for pool mining:

wallet = 0x1bebf6e224586a4ce22e50faee656176ad155bb9
coin = CFX
rigName = rig1
pool1 = cfx.666pool.cn:6655
pool2 = cfx.f2pool.com:6800

Example of config file for solo minig:

[octopus]
; Wallet is setup in node for solo mining, it does not matter here.
wallet=0
pool1=192.168.0.123:32525