Changes From 0.2.2 To 0.2.3

Link to container image of backbeat.

• Merge pull request #302 from scality/forward/rel/7.4
• Merge remote-tracking branch 'origin/rel/7.4' into forward/rel/7.4
• Merge pull request #294 from scality/bf/fixRuleCheckOnEODM
• bf: check if Expiration rule exists before EODM
• Merge pull request #298 from scality/bf/ZENKO-408-noZookeeperProvisioningForLifecycleConductor
• bf: ZENKO-408 no zookeeper provisioning for conductor
• Merge pull request #278 from scality/ft/S3C-1398/useFailedCRRTopic
• ft: S3C-1398 Use retry CRR topic
• Merge pull request #271 from scality/rf/ZENKO-143-shareHelpersForGC
• rf: ZENKO-143 add helper getAccountCredentials()
• rf: ZENKO-143 move attachReqUids() helper
• Merge pull request #285 from scality/ft/ZENKO-147/configurableFailedCRRTracking
• ft: ZENKO-147 Make CRR retry configurable
• Merge pull request #289 from scality/bf/S3C-1458-easeHealthchecks
• bf: allow healthchecks even if clients not ok
• Merge pull request #265 from scality/bf/ZENKO-272/undefinedLogger
• Merge pull request #268 from scality/bf/S3C-1427-avgThroughputBetweenExpiredIntervals
• bf: use prev interval to avg out throughput
• bf: ZENKO-272 Undefined error logger