doc/reference-cmd.html: new introduction Compare and explain go, go cmd, and go tool cmd. The situation is not concisely explained elsewhere in the main docs.
doc/reference-cmd.html: new introduction
Compare and explain go, go cmd, and go tool cmd.
The situation is not concisely explained elsewhere in the main docs.

R=golang-dev, bradfitz
CC=golang-dev
http://codereview.appspot.com/5906043

wesolows/golang,wesolows/golang,wesolows/golang-old,firebitsbr/golang-old,wesolows/golang-old,wesolows/golang-old,firebitsbr/golang-old,firebitsbr/golang-old,wesolows/golang,wesolows/golang-old,wesolows/golang,firebitsbr/golang-old,wesolows/golang-old,firebitsbr/golang-old,firebitsbr/golang-old,firebitsbr/golang-old,wesolows/golang,firebitsbr/golang-old,wesolows/golang-old,wesolows/golang-old,wesolows/golang,wesolows/golang