Only run ./configure with autogen.sh if extra parameters are passed to it.
Add warning if system libusb is being added.
Prune old stratum shares that we've seen no response for over 2 minutes to avoid memory leaks for pools that don't respond about some shares.
Move driver statline padding to cgminer.c, expanding width of maximum displayable statistics and window width to add more info.
Add hashfast fanspeed% to statline display.