RFD 26 add ListVolumeSizes endpoints
RFD 26 add ListVolumeSizes endpoints

davepacheco/rfd,joyent/rfd,joyent/rfd,AnthonyMann/rfd,melloc/rfd,davepacheco/rfd,davepacheco/rfd,melloc/rfd,davepacheco/rfd,AnthonyMann/rfd,rmustacc/rfd,joyent/rfd,davepacheco/rfd,joyent/rfd,rmustacc/rfd,melloc/rfd