add usage message
add usage message

R=gri
OCL=13423
CL=13423

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