Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  7405dbd2445c188d12b7b3f14c461c92d706d6cf

Alpha: Rewrite makePrettyDiff function

Add test case current function doesn't satisfy
Rewrite and simplify function

Change-Id: Iedf7643307247b6672ee63351dbd58a7431e98cc