Simplify China's time zones from five to two.

* NEWS, asia: Document this.
* asia (Asia/Harbin, Asia/Chongqing, Asia/Kashgar): Remove.
These are now links in 'backward'.
(Asia/Shanghai): Change pre-standard-time offset from 8:05:57 to
8:05:43.  Change transition to standard time from 1928 to 1901.
(Asia/Urumqi): Remove 1980 transition to UTC+8.
* backward (Asia/Harbin, Asia/Chongqing, Asia/Kashgar): New links.
(Asia/Chungking): Avoid link-to-link.
* zone.tab (Asia/Harbin, Asia/Chongqing, Asia/Kashgar): Remove.
* asia: 'Urumqi' -> 'Ürümqi' in commentary.
Commentary fixes related to AEST/AEDT etc.

* antarctica (Antarctica/Casey): Spell out AWST in comment.
* tz-link.htm: Use CST instead of EST in the example, as in Theory, to
match the current database.
* zic.8: Update Australia/Adelaide Zone line example to match current
usage.
A few more commentary fixes related to AEST/AEDT etc.

* antarctica: Shrink commentary to fit into 80 columns.
* tz-link.htm: Rework example to use "CST" throughout.
Russia moves most of its clocks back an hour this fall.

(Thanks to Alexander Krivenyshev.)
* europe: Document FET separately.  Add a comment about
whether Zabajkal'skij kraj needs a separate zone.
(Europe/Kaliningrad, Europe/Moscow, Europe/Simferopol, Europe/Volgograd)
(Asia/Yekaterinburg, Asia/Omsk, Asia/Novosibirsk, Asia/Irkutsk)
(Asia/Yakutsk, and Asia/Vladivostok): Subtract an hour from the
time zone on 2014-10-26 at 02:00 Moscow time.
(Europe/Simferopol): Move to after Europe/Moscow, to simplify
similar maintenance in the future.
* NEWS: Document this.
Correct times for Asia/Taipei before 1945-10-25.

(Thanks to Yu-Cheng Chuang.)  Also, update time zone abbreviations for
Japan's two time zones used 1896-1937.  JWST now stands for Western
Standard Time, and JCST for Central Standard Time (formerly this was CJT).
* asia (Taiwan): Omit DST during 1945.
(Asia/Taipei): Add a transition to JWST on 1896-01-01, then to
JST on 1937-10-01, then to CST on 1945-10-25.
(Asia/Tokyo): Rename CJT to JCST.  Transition to JCST was 1937-10-01,
not 1938.
(Asia/Seoul, Asia/Pyongyang): Call UT+9 "JCST" until 1937-01-01,
"JST" thereafter.  Assume JCST/JST until Allied takeover after WWII.
* NEWS: Document this.
The Russian change is at 02:00 local time, not 02:00 Moscow time.

* europe (Europe/Kaliningrad, Europe/Moscow, Europe/Simferopol)
(Europe/Volgograd, Asia/Yekaterinburg, Asia/Omsk)
(Asia/Novosibirsk, Asia/Irkutsk, Asia/Yakutsk, Asia/Vladivostok):
The transition this fall is at 02:00 local time, not 02:00 Moscow time.
The newspaper report was wrong.  Also, add pointers to the bill and to
Krivenyshev's table.  (Thanks to Alexander Krivenyshev.)
* NEWS: Fixes typo in Asia/Taipei release note.
* asia (Asia/Tokyo): Update commentary regarding dates of 1896 and 1937 transitions.