fix #12298
Update grunt-contrib-uglify dependency.
Merge pull request #12282 from XhmikosR/grunt-contrib-uglify

Update grunt-contrib-uglify dependency.
fix #12280 by templating the customizer's nav sidebar too

The customizer is such a PITA.
Merge pull request #12318 from twbs/fscking-customizer

Template the customizer's nav sidebar too
spacing
Merge branch 'master' of github.com:twbs/bootstrap
Merge pull request #12308 from twbs/fix-12298

Fix #12298