Updated openstack/openstack
Project: openstack/swift  92e347813c3a87c61b94b30c6a6f9339a37bae76
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Add a way to ratelimit all writes to an account

This is in case a cluster gets a problem user who has distributed the
writes to a bunch of containers but is just taking too much of the
cluster's resources.

Change-Id: Ibd2ffd0e911463a432117b478585b9f8bc4a2495