wesnoth: updated to 1.14.15

Version 1.14.15
Add-ons client
* Fix potential crashes when working with installed add-ons that have a corrupted _info.cfg file.
Campaigns
* Descent into Darkness:
  * S11: fix low probability case of enemy being unreachable
  * S11: recall ghosts if available and ensure the player gets one level 2 ghost.
* Eastern Invasion:
  * S03: fix the initial keep being blocked at the start
Translations
* Updated translations: British English, Catalan, Czech, French, German, Italian,
  Japanese, Polish, Portuguese (Brazil), Russian, Turkish
User interface
* Fixed formatting of hyperlinks when the same URL appears more than once in a block of text
Miscellaneous and Bug Fixes
* Fixed a rare issue on Windows that could result in wesnoth.exe sticking around waiting for console input after encountering an error despite not being launched with the `--wconsole` option.
* Removed documentation for network proxy-related command line options previously removed in version 1.13.1 along with libana.

(adam)