aws/aws-cli — pull request #892 by jlopex (2014-08-21 15:36:09+00:00)
Title: Exit awscli with error when s3 ls file is not found

Unix ls command returns 1 as error code when file is not found. Make aws cli
return same error code when a file is not found while listing a s3 bucket.

This commit makes aws-cli to exit with code 1 when file is not found while
listing.