Added cp -q option, to support quiet operation from cron jobs.
Added cp -q option, to support quiet operation from cron jobs.


craigcitro/gsutil,GoogleCloudPlatform/gsutil,GoogleCloudPlatform/gsutil,ttiurani/gsutil,dimfeld/gsutil,dtjackson/gsutil,fishjord/gsutil,BrandonY/gsutil,mattdr/gsutil,chriskuehl/gsutil-debian