Description:
------------
Europe/Simferopol is displayed as russian city, but it's ukrainian city according to international laws. It's a capital of Crimea and it's part of Ukraine. Here is United Nations map http://www.un.org/Depts/Cartographic/map/profile/ukraine.pdf




Test script:
---------------
var_dump(DateTimeZone::listIdentifiers(DateTimeZone::PER_COUNTRY, 'RU'));

Expected result:
----------------
...
  [18] =>
  string(13) "Europe/Samara"
  [19] =>
  string(16) "Europe/Volgograd"


Actual result:
--------------
...
  [18] =>
  string(13) "Europe/Samara"
  [19] =>
  string(17) "Europe/Simferopol"
  [20] =>
  string(16) "Europe/Volgograd"