Factor out a VisualAlignment type
Factor out a VisualAlignment type

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