Refactor and add ProcessNetworkWideFromProjectStats
Refactor and add ProcessNetworkWideFromProjectStats

to eliminate duplicated statistics computation code
for rolling up from the project to network level.

gridcoin/Gridcoin-Research,caraka/gridcoinresearch,caraka/gridcoinresearch,theMarix/Gridcoin-Research,theMarix/Gridcoin-Research,caraka/gridcoinresearch,gridcoin/Gridcoin-Research,Git-Jiro/Gridcoin-Research,gridcoin/Gridcoin-Research,caraka/gridcoinresearch,Git-Jiro/Gridcoin-Research,gridcoin/Gridcoin-Research,theMarix/Gridcoin-Research,Git-Jiro/Gridcoin-Research,Git-Jiro/Gridcoin-Research,caraka/gridcoinresearch,gridcoin/Gridcoin-Research,gridcoin/Gridcoin-Research,caraka/gridcoinresearch,theMarix/Gridcoin-Research,Git-Jiro/Gridcoin-Research,theMarix/Gridcoin-Research,theMarix/Gridcoin-Research