Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  4ef1ab0a74032b70f9d7a7367352766c2a4b66cf

Hygiene: Refactor EditorOverlay's templates

Reuse is good. Do more of it.
Simplify the editor overlays.
Note: I want to go further in a follow up patchset and remove the need for EditorOverlayBase.hogan

Change-Id: I0be68888836152fd1d2711b3a7dd8f86029ae3a4