Update puma dependency to version 2.5.0
Update puma dependency to version 2.5.0

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