Reduce HW error logging to debug level, so it doesn't clutter the TUI log by default
Bugfix: bitforce_queue: Use work_list_del everywhere we remove from work_list to ensure work gets freed properly when done
Bugfix: pdcurses doesn't like changing logwin size without clearing it also, so do that in display options
Merge commit '8d7ee1d' into bfgminer
Bugfix: bitforce_queue: Never try to reinitialize a slave processor
Merge branch 'bitforce_queue_parallel' into bfgminer