Add update|hotfix repo classes

  * extra
  * saltstack
  * ceph
  * percona
  * docker
  * mark as deprecated:
    - jenkins
    - docker_legacy
    - aptly
  * Misc: fix arch. variable

Change-Id: I24e3ae14ddc239fd07c2f3b622321538715cb157
Prod-releted: PROD-23765 (PROD:23765)
16 files changed