Migrate to UglifyJS v3 and use its comment preservation feature#24

Merged

davglass merged 1 commit intoyui:masterfrom natevw:uglify3-comments

Dec 21, 2017

+21-76

Commits on Oct 17, 2017

migrate to UglifyJS v3 and use its comment preservation feature instead of a custom regex one. this should fix a number of open issues (probably yui#19 and yui#20 ; not sure about yui#21 )
natevw
committed