Timezone information: update to 2015g

Timezone information: update to 2015g

Changes in 2015g:
http://mm.icann.org/pipermail/tz-announce/2015-October/000034.html

     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.

Note: the Turkey-related one-time rule change is not apparently catched by
the zoneinfo2lua script, so that change is not included in this commit.
(Turkey's 2015 fall-back transition is scheduled for Nov. 8, not Oct. 25.)

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>