Update the tznames reference files, and add IDT (Israel Daylight Time)

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

Commit: d28ae65c706c593a6b7f56653a2e9cc763f63384
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2009-09-06T15:25:48Z
Releases: 8.2.15
Update the tznames reference files, and add IDT (Israel Daylight Time)
to the Default timezone abbreviation set.

Back-port the the current file set to all branches that contain tznames.
This includes adding SGT to the Default set in pre-8.4 releases.

Joachim Wieland

Files