API: Added two more decimal places to MH/s.
Merge pull request #4 from Staretta/testing

API: Added two more decimal places to MH/s.
Network difficulty changes squelched.
You can enable them again (along with new blocks and work restart messages) using the --more-notices parameter.
xIntensity can now be set through the interface.
Press G, X, select your device ID and enter a value between 1 and 9999.

Thanks to veox of sgminer for the code: http://github.com/veox/sgminer/commit/463668b8789521693ad90065115906f0ee53deb8