Update time zone data files to tzdata release 2016a.

Tom Lane <tgl@sss.pgh.pa.us>

Commit: 6887d72d06a2f36508d5be9cca316088d4c60b26
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2016-02-05T15:59:39Z
Releases: 9.1.20
Update time zone data files to tzdata release 2016a.

DST law changes in Cayman Islands, Metlakatla, Trans-Baikal Territory
(Zabaykalsky Krai).  Historical corrections for Pakistan.

Files

PathChange+/−
src/timezone/data/asia modified +20 −4
src/timezone/data/backward modified +1 −0
src/timezone/data/backzone modified +6 −1
src/timezone/data/europe modified +14 −1
src/timezone/data/northamerica modified +27 −31
src/timezone/data/zone1970.tab modified +3 −5
src/timezone/data/zone.tab modified +2 −3