Updated mediawiki/extensions
Project: mediawiki/extensions/Parsoid  ba7936c3135b6ec04d9a2f69744b850a537e4475

Fix extension tag case sensitivity

Just adding "toLowerCase" to one variable access, but it should fix any
problems with case insensitivity in extension tags.

Change-Id: I272954b5950870cb66234f4cf66d0ea1a8e49290