- Rebase to tzdata-2020d
 - Palestine will end summer time on 2020-10-24 rather than the
   predicted 2020-10-31.

- Include the upstream patch to support pacificnew for java tzupdater.
- Set POSIXRULES macro to continue installing posixrules file.

- Rebase to tzdata-2020a
  - Morocco will spring forward on 2020-05-31 rather than
    previously predicted 2020-05-24.
  - Canada's Yukon region changed to year round UTC -07
    effective 2020-03-08.
  - America/Godthab was renamed to America/Nuuk.

- Rebase to tzdata-2019c
  - Fiji will observe DST from 2019-11-10 to 2020-01-12.
  - Norfolk Island will begin observing Australian-style DST on 2019-10-06.

- Need to bump the release in order to update the build.

- Rebase to tzdata-2019a
  - Palestine will start DST on 2019-03-30, rather than 2019-03-23 as
    previously predicted.
  - Metlakatla rejoined Alaska time on 2019-01-20, ending its observances
    of Pacific standard time.

- Rebase to tzdata-2018i (includes changes from tzdata-2018h)
  - São Tomé and Príncipe changed from UTC+01 to UTC+00 on 2019-01-01.
  - Qyzylorda, Kazakhstan changed from UTC+06 to UTC+05 on 2018-12-21.
  - Created a new zone Asia/Qostanay since Qostanay, Kazakhstan didn't 
    transition with the Qyzylorda change.
  - Metlakatla, Alaska will observe PST for this winter only.
  - Predict that Morocco will continue to adjust clocks around Ramadan.
  - Also include predictions for Iran from 2038 through 2090.

- Rebase to tzdata-2018g
  - Morocco will remain at UTC+1 rather than switching back to UTC+0 as
    planned.  This change is effective Octobober 28, 2018.

- Europe/Volgograd will change from UTC+3 to UTC+4 on October 28,2018.
- Add patch to remove use of 25:00.
- Drop previous change to DST in Brazil.  The government rescinded the
  change.