README: Remove incomplete and unnecessary list of ASIC/FPGA devices
Duplicate (hidden) --userpass option before --pool-priority so it can be used in config files
Merge commit '237563b' into bfgminer-3.0.x
Merge commit '3f21b2b' into bfgminer-3.0.x
Bugfix: Make curses_input return NULL on a blank line, as most callers expect

Conflicts:
	miner.c
Bugfix: opencl: Dynamic mode should disable threads for this device, not just N after the first

Conflicts:
	driver-opencl.c