Updated mediawiki/extensions
Project: mediawiki/extensions/ContentTranslation  1348ccd05f83fd9c6468edb756f28b4917cd164d

Placeholder improvements

* Fixed a TODO at publishing module about cleaning up all placeholder
  elements before passing to the publish API
* Moved the display of '+Add translation' text to css from javascript
* That fixes a small jump of sections when mouse enters sections with
  small heights(example: headers)

Change-Id: I9660a0b77cdfa03a7d0600f0438c07b92ecd3e04