Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  398e2dac606a95665938a21cc754d2e7e1afa4d2
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deprecate registerModule and getModule (code health)

deprecate these methods
make existing modules use require or define
for legacy modules self initialise on define (note fixme)
override setting to stop this for purpose of test suite

Change-Id: I51feb11d9119a54498936413bd8d63c9c86234aa