Updated mediawiki/extensions
Project: mediawiki/extensions/GlobalUserPage  0f48de8ee263149a81d453f90913ee2d5fd1ffab

Do some instance caching in GlobalUserPage::displayGlobalPage()

Also GlobalUserPage::getCentralTouched

Change-Id: I4e8b2e26f4b27558f15b57daa69ac7a19cff8412