[x/tour]       go-tour: link to translated versions fo the tour
[x/tour]       go-tour: link to translated versions fo the tour

(These ones are up to date. The Korean one still seems stuck at r60.)

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/6421059
X-Tour-Commit: 18bc09877868bf966051d696e27d9435645c4453

golang/website,golang/website,golang/website,golang/website,golang/website,golang/website,golang/website