cmd/puppeth: reorganize stats reports to make it readable

cmd/puppeth/module_dashboard.go

cmd/puppeth/module_ethstats.go

cmd/puppeth/module_faucet.go

cmd/puppeth/module_nginx.go

cmd/puppeth/module_node.go

cmd/puppeth/puppeth.go

cmd/puppeth/wizard_dashboard.go

cmd/puppeth/wizard_ethstats.go

cmd/puppeth/wizard_faucet.go

cmd/puppeth/wizard_intro.go

cmd/puppeth/wizard_netstats.go

cmd/puppeth/wizard_network.go

cmd/puppeth/wizard_node.go