Updated mediawiki/extensions
Project: mediawiki/extensions/ExtensionDistributor  dea1563d44f649384bd1df0cca2ff059ce64f88f

Only include "top level" extension repositories

Some extensions have subrepositories, which we shouldn't generate
tarballs for or even display, so skip them.

Change-Id: I2f53b23631aeeff91023ae8b44e2a4753c1f0ba3