update staging to 3.7.11.3
update staging to 3.7.11.3

Don't merge until @jamesowens' PR is merged. (In anticipation of a new staging build)
theMarix/Gridcoin-Research,gridcoin/Gridcoin-Research,gridcoin/Gridcoin-Research,Git-Jiro/Gridcoin-Research,TheCharlatan/Gridcoin-Research,caraka/gridcoinresearch,theMarix/Gridcoin-Research,tomasbrod/Gridcoin-Research,gridcoin/Gridcoin-Research,tomasbrod/Gridcoin-Research,caraka/gridcoinresearch,theMarix/Gridcoin-Research,TheCharlatan/Gridcoin-Research,tomasbrod/Gridcoin-Research,theMarix/Gridcoin-Research,gridcoin/Gridcoin-Research,theMarix/Gridcoin-Research,gridcoin/Gridcoin-Research,caraka/gridcoinresearch,tomasbrod/Gridcoin-Research,TheCharlatan/Gridcoin-Research,caraka/gridcoinresearch,caraka/gridcoinresearch,TheCharlatan/Gridcoin-Research,Git-Jiro/Gridcoin-Research,Git-Jiro/Gridcoin-Research,theMarix/Gridcoin-Research,gridcoin/Gridcoin-Research,caraka/gridcoinresearch,tomasbrod/Gridcoin-Research,TheCharlatan/Gridcoin-Research,Git-Jiro/Gridcoin-Research,Git-Jiro/Gridcoin-Research