Enable services restart on systemd lvl

  * Those patch enable salt-(minion|master|api) services
    daemon auto-restart, in case any unclear exit will be
    detected. Systemd will try to run service each 3sec,
    till _StartLimitBurst_ limit will not be reached.
    (default 5)
  * Migrate systemd_minion_override.conf file
  * Duplicate patch for minion in base.sls and in service.sls

Change-Id: I65f35f1c50935af5692b740bb75ba0a629b18c48
Closes-Bug: PROD-23969 (PROD:23969)
9 files changed