Add Avalon3 default chip frequency and voltage
Merge pull request #1 from qinfengling/cgminer-webui-avalon2

Display GHS on status page. not MHS.
Merge pull request #2 from qinfengling/cgminer-webui-avalon2

Add GHS1m,GHS5m,GHS15m on status page
Merge pull request #3 from qinfengling/cgminer-webui-avalon2

Automatic detect the small miners