Few update to support Cryptonight V8

0.5-79
*   New command sreboot wakealarm will shutdown and then boot after 30 seconds boot again,
    useful when you need to poweroff
*   New command netconf wizard for network configuration, netconf-set CLI command to set network config for eth0 interface
*   xmr-stak-fireice-uk-2.5.1


0.5-80
* xmrig 2.8.3
* Fixed xmr-stak stats which caused rig to go offline