* Updated OOjs from v2.0.0 to v2.1.0.
* Updated OOUI from v0.21.1 to v0.23.0.
* Updated QUnit from v1.23.1 to v2.4.0.
+* Updated phpunit/phpunit from v4.8.35 to v4.8.36.
==== New external libraries ====
* The class \TestingAccessWrapper has been moved to the external library