Changes From 8.1.18 To 8.1.19

• bf: S3C 2502 move ip util to arsenal
• S3C-2597-bucket-policy-can-id
• bf: S3C-2544 fix metric handling on put/del obj
• ci: ZENKO-2340 rename the docker registry namespace from zenko-dev to zenko
• S3C-2564: KMS - fix typo in ssl option
• S3C-2582 Setting up maven repo on https instead of http
• ZENKO-2277 moving away from a floating tag on Docker image
• ZENKO-2277 installing curl and gpg due to parent image upgrade
• bf: ZENKOIO 20 update aws sdk
• bugfix: S3C-2527 effectively reuse sproxyd connections
• bugfix: ZENKO-2250 rework chunked upload stream handling
• bugfix: S3C-2504 cleanup test bucket
• bugfix: S3C-2504 revert changes in UTAPI dependencies
• bugfix: S3C-2504 rework chunked upload stream handling
• ZENKO-2238 changing worker type to kube pod
• ZENKO-2238 now pushing docker image to registry.scality.com
• ZENKO-2240 ensure version is correct for 6.4
• ZENKO-2240 now retrieving the version from package.json file
• bf: ZENKO-2240 use bash on get_product_version
• ft: S3C-2235-updated vaultclient
• ft: S3C-2235 inject accountid, accesskey and secretkey
• bugfix: S3C-2517 fix crash with invalid chunked-upload
• ZENKO-2200 Keep the .git/HEAD file to properly report version