Revert "remove UglifyJsPlugin"
Revert "remove UglifyJsPlugin"

This reverts commit 81df751473be8878f239c8118e19bac9e924a6e2.

collinbarrett/FilterLists,collinbarrett/FilterLists,collinbarrett/FilterLists,collinbarrett/FilterLists,collinbarrett/FilterLists