Bugfix: GBT: Advertise coinbasevalue capability
Merge commit 'cb054f7' into bfgminer-3.0.x
Upgrade libblkmaker to 0.3.2
Bugfix: icarus: Don't try to send work if device open failed
Merge commit 'd9fd638' into bfgminer-3.0.x
README: Update solo mining docs
Merge commit '4d5b63b' into bfgminer-3.0.x