v4.3:

- added "EthMan" - an utility for remote monitoring/management.
- added "-estale" option to send stale shares for Ethereum, it can increase effective hashrate a bit.
- now all options can be stored in "config.txt" file.
- added "-ftime" option.
- added "-erate" option.
- added "-tstop" option.
- now miner sends hashrate to geth in solo mining mode.
- added "-mport" option for remote management.
- bug fixes.