Resolves: #1268171
    - Rebase to 2015g
      - Turkey's 2015 fall-back transition is scheduled for Nov. 8, not Oct. 25.
      - Norfolk moves from +1130 to +1100 on 2015-10-04 at 02:00 local time.
      - Fiji's 2016 fall-back transition is scheduled for January 17, not 24.
      - Fort Nelson, British Columbia will not fall back on 2015-11-01.  It has
        effectively been on MST (-0700) since it advanced its clocks on 2015-03-08.
        New zone America/Fort_Nelson.