Updated mediawiki/extensions
Project: mediawiki/extensions/Parsoid  26de276f8f934f5bdab4f0af10f69b5ccf8d6a87

Fix missing image check in link handler.

* Images that were not missing were being treated as missing by
  the handleResponse function in the link handler.

* Fixes parse and RT of several pages.

Change-Id: Ib832cb0b8ec817b9d3d35240e95ee4e78835a440