[tzdata] (5 commits) ...Merge branch 'f16' into f17

[Petr Machata]

Summary of changes:

  b5c1fbd... Merge branch 'f14' into f15 (*)
  1e14077... Merge branch 'f14' into f16 (*)
  66f7184... Add a patch for change in Chilean DST (*)
  114eb58... Merge branch 'f15' into f16 (*)
  7f92ed6... Merge branch 'f16' into f17 (*)

(*) This commit already existed in another branch; no separate mail sent