Merge branch 'master' into upgrade-htmlunit

* master:
  commons-compress -> 1.10
  Noting #1788
  Remove hardcode in tar test
  [FIXED JENKINS-10629] Unbroke stream with new tar implementation.
  Revert "Revert "FIXED JENKINS-10629] - Enable BigNumber mode to support archiving of files with size >8Gb""
  Revert "Revert "[JENKINS-10629] - Migrate the Tar archives handling code to commons-compress""
  Fix at-since from PR #1788
  Merge PR #1788: Make plugin manager pluggable