remove bootstrap style sheet (left over from #441)
remove bootstrap style sheet (left over from #441)
hammerlab/pileup.js,piotr-gawron/pileup.js,piotr-gawron/pileup.js,piotr-gawron/pileup.js,piotr-gawron/pileup.js,hammerlab/pileup.js,hammerlab/pileup.js,hammerlab/pileup.js