Updated mediawiki/extensions
Project: mediawiki/extensions/Teahouse  76276cd928f18eb7db6b7f36115b50dcbd4e9309

[WIP] Implemented "Ask a question" link

There is also a dialog implementation based on OOJS UI but it is not ready
yet.

Change-Id: Ida4c4ad177714a63565e273646e1d5c1848b77d4