Updated mediawiki/extensions
Project: mediawiki/extensions/Translate  648af2bb1f3aa1576f7683d6189898b462033647

Add test users with different language settings

This populates the database with test accounts with comprehensive
and useful language options:
* setting the user's sandbox language preference
* making translations in different languages

Change-Id: Iaf0c776aa9434913c0b81459bb820f38ff025fbd