Updated mediawiki/extensions
Project: mediawiki/extensions/CommonsMetadata  8e24b5fb6149c0c129bd57871c91e701c5ab517c

Return categories and license

Only one license for now, but could do multiples later, separated with |
like we do with categories.

Change-Id: If3cf6a0ee444d1613d0caf14045b92fad6afa2ab