Update NEWS
Merge branch 'master' of github.com:ckolivas/cgminer
Merge pull request #539 from kanoi/master

bab - stop stale work accumulating
Fix displayed diff when solo mining at >2^32 diff.
Merge branch 'master' of github.com:ckolivas/cgminer
The second_run bool in libbitfury should be per device. Microoptimise its and job_switched usage, removing the unused results array for NF1 devices.
Set info work to null after it is freed in nf1 after a restart to prevent double free later.
Merge pull request #540 from kanoi/master

Minion - check/clear interrupts for all chips
Relax timeout in hf get header to 500ms to match the usb timeout.
Change hfa overheat limit to 90 degrees.
API-README correct v3.0 cgminer version number