set_device: Accept underscores for temp_{cutoff,target}
Merge branch 'set_device_funcs' into bfgminer
README.ASIC: Update "SGW" virtual device identifier to current "PXY"
Merge commit '0720925' into bfgminer
Bugfix: hashfast: Ensure size of hex data passed to applog is of type int
Merge commit 'f8935fc' into bfgminer

Conflicts:
	driver-hashfast.c
Bugfix: configure: Only pull in lowl-usb for lowl-vcom if libusb is available
Merge commit 'bf495ac' into bfgminer
Bugfix: opencl: Safely handle work->device_data across work copies and cleans
Merge branch '201402_opencl_cleanup' into bfgminer