Remove staging-* branches before sync to mirror

build: Bump the snapshot date for PyPi

Merge "Proxy: override user_agent with backend_user_agent"

swift 2.29.0 release

meta:version: 2.29.0
meta:diff-start: -
meta:series: yoga
meta:release-type: release
meta:pypi: no
meta:first: yes
meta:release:Author: Tim Burke <tim.burke@gmail.com>
meta:release:Commit: Tim Burke <tim.burke@gmail.com>
meta:release:Change-Id: I0a5a7f1bb29b02993050bea314e5b94107ed1a4c
meta:release:Code-Review+2: Thierry Carrez <thierry@openstack.org>
meta:release:Code-Review+2: Elod Illes <elod.illes@est.tech>
meta:release:Workflow+1: Elod Illes <elod.illes@est.tech>

Merge "Trim sensitive information in the logs (CVE-2017-8761)"

Merge "s3api: Fix non-ascii MPUs"

iam cli: remove unused parameter connection

Topic: OpenIO backend

Merge "Error limit the correct node on ECFragGetter resume"

Merge "Finer grained ratelimit for update"

Merge "recon: only query each host once for disk usage"