Create default configuration file on init
Create default configuration file on init

If no configuration file exists, create a new one with the defaults. The
legacy--and now removed--"new user wizard" did this before.

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