Updated mediawiki/extensions
Project: mediawiki/extensions/Translate  aaabe95c915618e4e4eb369fb3d6dfa7cbaac621

Translation stash storage: separate columns for namespace and title

Avoids a size limit error of ts_key column. Tests were updated.

If you already have this table created, you must drop it before
running update.php.

Change-Id: If950d1de558cb69d4ddba340ab0f506a98325d4f