Updated mediawiki/skins
Project: mediawiki/skins/Vector  3aa4ed74b760843b3cf76adbf2ca45eb5b5b0f42

Use .mw-body instead of div#content

 * Part of https://gerrit.wikimedia.org/r/#/c/151395/

Change-Id: Iae873906abcd8b2a986e5f728f0ce207256de770