Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  0cf7e3fe79fc1f941d403e123062f0042f483eb7

Tools: Run `make jsduck` on git review

When publishing code for review run jsduck and complain if there
are warnings.

Change-Id: I3ac7c8a6115c7392b3b86d6955fc565c60ff070d