Update mime-types dependency to version 1.19
Update mime-types dependency to version 1.19

codeforamerica/follow-all,BryanH/follow-all,jasnow/follow-all,jasnow/follow-all,jasnow/follow-all,codeforamerica/follow-all,codeforamerica/follow-all,BryanH/follow-all,BryanH/follow-all