Changed gsutil ls to print error and exit with non-0 status when wildcard matches nothing
Changed gsutil ls to print error and exit with non-0 status when wildcard matches nothing


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