Use a sanity check on timeout on windows.
Correctly calculate sleep_estimate in usbutils that may have been preventing usecps from working.
klondike remove SCNu8 - unsupported on windows
Merge pull request #512 from kanoi/master

klondike remove SCNu8 - unsupported on windows
klondike - single 'shutdown' and ensure it happens
usbutils - usb_nodev() allow a driver to drop a device
klondike - drop the device for hotplug if it's unresponsive
Merge pull request #513 from kanoi/master

klondike - drop unresponsive devices
Add KNC to api
Fix trivial warnings in knc driver.
Merge branch 'master' of https://github.com/ckolivas/cgminer into for-upstream