merge issues :)
merge issues :)

hammerlab/pileup.js,hammerlab/pileup.js,hammerlab/pileup.js,piotr-gawron/pileup.js,piotr-gawron/pileup.js,hammerlab/pileup.js,piotr-gawron/pileup.js,piotr-gawron/pileup.js