doc/go_mem: init-created goroutine behavior changes for Go 1         They can start execution even before all init functions end.
doc/go_mem: init-created goroutine behavior changes for Go 1
        They can start execution even before all init functions end.

R=rsc, r, adg
CC=golang-dev
http://codereview.appspot.com/5732061

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