Update to uiglifier 2.7.1 to prevent https://github.com/mishoo/UglifyJS2/issues/751
Update to uiglifier 2.7.1 to prevent https://github.com/mishoo/UglifyJS2/issues/751

supertinou/livequiz,supertinou/livequiz,supertinou/livequiz,supertinou/livequiz