update the text on the landing page.
update the text on the landing page.

R=agl, rsc
CC=go-dev
http://go/go-review/1017053

tianon/debian-golang,tv42/old-go,nightlyone/golang,pombredanne/go-deleteme,bdwalton/debian-golang,tv42/old-go,bdwalton/debian-golang,bdwalton/debian-golang,dsriram/golang,gnanderson/go,apparentlymart/golang,tianon/debian-golang,h8liu/golang,gnanderson/go,ssrl/go,apparentlymart/golang,dsriram/golang,tianon/debian-golang,ssrl/go,gnanderson/go,ssrl/go,nightlyone/golang,ssrl/go,tianon/debian-golang,nightlyone/golang,pombredanne/go-deleteme,dsriram/golang,apparentlymart/golang,tianon/debian-golang,bdwalton/debian-golang,gnanderson/go,apparentlymart/golang,bdwalton/debian-golang,tv42/old-go,tianon/debian-golang,gnanderson/go,bdwalton/debian-golang,nightlyone/golang,h8liu/golang,dsriram/golang,tianon/debian-golang,pombredanne/go-deleteme,pombredanne/go-deleteme,pombredanne/go-deleteme,pombredanne/go-deleteme,h8liu/golang,apparentlymart/golang,bdwalton/debian-golang,tianon/debian-golang,h8liu/golang,pombredanne/go-deleteme,gnanderson/go,ssrl/go,h8liu/golang,apparentlymart/golang,nightlyone/golang,apparentlymart/golang,tv42/old-go,tv42/old-go,tv42/old-go,nightlyone/golang,bdwalton/debian-golang,h8liu/golang,tv42/old-go,ssrl/go,dsriram/golang,dsriram/golang,nightlyone/golang,ssrl/go,h8liu/golang,dsriram/golang,gnanderson/go