* add image option to cloud CreateInstaces * add script to install perf * add profile option to gce.sh * add profile option for net.sh start * Revert "add image option to cloud CreateInstaces" This reverts commit fd63991861e632ae87e79281bca63a0f8173e201. * remove imageName from gce.sh * fix for gce.sh * add comments on permissions setup * remove profile option for gce.sh * remove short arg