s3: Add option to bypass CreateBucket #101
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Multiple simultaneous calls (use case was multiple gokv-backed CLI utilities in a pipeline) to NewClient causes an error:
This occurs for S3 CreateBucket. Relying on the error to be awss3.ErrCodeBucketAlreadyOwnedByYou is fine, but the operation will still block other callers. This patch provides a mechanism to bypass bucket creation.