Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  95d4f1978977b120d9a029a2a1201e0522018580

Hygiene: Kill OverlayNew and LoadingOverlayNew

Long live Overlay and LoadingOverlay

Change-Id: I09e8a5df1adc05e7581b1dd77f18269a40897dc6