doc: update contrib.html to be more enticing doc: refer to golang-dev instead of -nuts in contribute.html
doc: update contrib.html to be more enticing
doc: refer to golang-dev instead of -nuts in contribute.html

R=r, rsc
CC=golang-dev
http://codereview.appspot.com/4309043

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