[mkgmap-dev] Commit r4124: slightly modified maxjobs-v6.patch by Mike Baggaley

Version mkgmap-r4124 was committed by gerd on Mon, 19 Feb 2018 slightly modified maxjobs-v6.patch by Mike Baggaley -- if max-jobs option is not set, try to find a reasonable value -- further improve documentation of options -- report run time in hours, minutes and seconds instead of ms http://www.mkgmap.org.uk/websvn/revision.php?repname=mkgmap&rev=4124