Demote some Bitfury debug log messages to only with device protocol dumping
Merge commit '77b8ce9' into bfgminer
Bugfix: Correct already-in-use getcbaddr message
Merge branch 'auto_solomine' into bfgminer

Conflicts:
	miner.c
Since longpoll connections are never reused, explicitly forbid reuse so libcurl cleans them up immediately
Merge commit '24e92e4' into bfgminer