Ethminer 15.0 : support email address as used by by nanopool

[ut9ea]

измените алгоритм подключения на
Example 2 : stratum1+tcp://[email protected]:9999/[email protected]
Example 3 : stratum1+tcp://[email protected]:9999/miner1/[email protected]

Issue: 15.0 dev11 : -S is no longer supported and -P does not support email address as used by nanopool