Bugfix: Restore 2-minutes-past-last-work wait before terminating unused stratum connections
RPC: Use struct timeval for mcast bind timer
Bugfix: pool_active: Skip testing explicitly when we have a recent answer
Bugfix: README.ASIC: KnCMiner: Use supported Angstrom feeds only
Partial: Bugfix: Turn spidevc into lowl-spi to fix building the knc driver without the bitfury driver

Conflicts:
	Makefile.am
	configure.ac
	driver-bfx.c
Merge commit '18b6c38' into bfgminer-3.10.x
Merge commit '38f54e6' into bfgminer-3.10.x
Merge commit 'a39dc04' into bfgminer-3.10.x
Merge commit 'c343920' into bfgminer-3.10.x