Refactor apt_mirantis/elastic

  * process elasticsearch | elasticsearch-curator-5 repo
  * we don't support 2 version in same time => don't enable both of them
  * move keys to keystorage
  * add debmirror's conviguration

Partial-Bug: PROD-17862 (PROD:17862)
Change-Id: I308f41ced6286bb3650acf5ea9a132469b4fa829
8 files changed