gotour: make the console messages more descriptive
gotour: make the console messages more descriptive

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/6035051

bbandaru/tour,Go-zh/tour,campoy/go-tour-ua,campoy/go-tour-ua,phoorichet/tour,dupoxy/go-tour-fr,zorion/go-tour-ca,Go-zh/tour,phoorichet/tour,golians/tour,tamnd/tour,LaPingvino/go-tour-nl,phoorichet/tour,ybin/tour,LaPingvino/go-tour-nl,golians/tour,raindev/tour,Jasperste/tour,campoy/go-tour-ua,scryner/tour,shuLhan/tour,raindev/tour,rofrol/go-tour-pl,Go-zh/tour,Jasperste/tour,LaPingvino/go-tour-eo,LaPingvino/go-tour-nl,zorion/go-tour-ca,shuLhan/tour,golang/tour,shuLhan/tour,scryner/tour,rofrol/go-tour-pl,LaPingvino/go-tour-eo,dupoxy/go-tour-fr,shuLhan/go-tour-id,ybin/tour,Go-zh/tour,golians/tour,shuLhan/go-tour-id,raindev/tour,tamnd/tour,rofrol/go-tour-pl,scryner/tour,scryner/tour,ybin/tour,shuLhan/go-tour-id,bbandaru/tour,tamnd/tour,LaPingvino/go-tour-eo,bbandaru/tour,dupoxy/go-tour-fr,Jasperste/tour