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

dsriram/golang,dsriram/golang,apparentlymart/golang,pombredanne/go-deleteme,dsriram/golang,dsriram/golang,gnanderson/go,tv42/old-go,pombredanne/go-deleteme,tv42/old-go,gnanderson/go,apparentlymart/golang,pombredanne/go-deleteme,gnanderson/go,pombredanne/go-deleteme,dsriram/golang,pombredanne/go-deleteme,gnanderson/go,tv42/old-go,pombredanne/go-deleteme,apparentlymart/golang,gnanderson/go,tv42/old-go,dsriram/golang,gnanderson/go,gnanderson/go,apparentlymart/golang,tv42/old-go,apparentlymart/golang,apparentlymart/golang,tv42/old-go,dsriram/golang,apparentlymart/golang,pombredanne/go-deleteme,tv42/old-go