Revert "Comment out autoprefixer for now"
Revert "Comment out autoprefixer for now"

This reverts commit dfa3da47fe25e0ac7b95f427c69fbc5e89ba936a.

googlearchive/polymer-element-catalog,shawncplus/polymer-element-catalog,pandoraui/polymer-element-catalog,bquarks/polymer-element-catalog,shauvik/polymer-element-catalog,GabrielDuque/polymer-element-catalog,GabrielDuque/polymer-element-catalog,GabrielDuque/polymer-element-catalog,Gpx/polymer-element-catalog,wonderweblabs/polymer-element-catalog,googlearchive/polymer-element-catalog,piperchester/polymer-element-catalog,Gpx/polymer-element-catalog,dsschnau/polymer-element-catalog,apiconz/polymer-element-catalog,shauvik/polymer-element-catalog,wonderweblabs/polymer-element-catalog,beaufortfrancois/polymer-element-catalog,beaufortfrancois/polymer-element-catalog,pandoraui/polymer-element-catalog,hourliert/polymer-element-catalog,bquarks/polymer-element-catalog,samccone/polymer-element-catalog,apiconz/polymer-element-catalog,pandoraui/polymer-element-catalog,beaufortfrancois/polymer-element-catalog,hourliert/polymer-element-catalog,shawncplus/polymer-element-catalog,isorna/polymer-element-catalog,apiconz/polymer-element-catalog,samccone/polymer-element-catalog,piperchester/polymer-element-catalog,googlearchive/polymer-element-catalog,hourliert/polymer-element-catalog,isorna/polymer-element-catalog,piperchester/polymer-element-catalog,dsschnau/polymer-element-catalog,Polymer/polymer-element-catalog,Polymer/polymer-element-catalog,isorna/polymer-element-catalog,shauvik/polymer-element-catalog,bquarks/polymer-element-catalog,shawncplus/polymer-element-catalog,Polymer/polymer-element-catalog,Gpx/polymer-element-catalog,samccone/polymer-element-catalog,dsschnau/polymer-element-catalog,wonderweblabs/polymer-element-catalog