[release-branch.go1.2] doc: document go1.2.2

««« CL 100110043 / 51dc50080c9f
doc: document go1.2.2

R=rsc, bradfitz
CC=golang-codereviews
https://golang.org/cl/100110043
»»»

R=iant
CC=golang-codereviews, golang-dev
https://golang.org/cl/98960043
1 file changed