Updated mediawiki/extensions
Project: mediawiki/extensions/HelpPages  e8e7d2981b64a91be3ffbb31aebebffa555fee7f

Add HelpPages::helpPageExists for simple existence checks

Change-Id: Ic6649f5ac4831087694bf9c88fa498119fbdada0
Updated mediawiki/extensions
Project: mediawiki/extensions/HelpPages  3471d5aba4791316eda0b5ef2a9c375bba044f71

Make links to valid Help pages blue links

Change-Id: I6dda6293c7734d5db08ca65560f949c05523cfe7