moving choiceList instantiation from the view to the model
trying out a cleaner way of toggling expanded choice lists and settings with just a className change on the parent '.card'
conditionally adding .card__buttons__multioptions on multi-choice questions.

conditionally displaying list and fa-caret-(right|down) depending on the existence of the '.card--expandedchoices' class on the parent card
Merge branch 'styling' of github.com:kobotoolbox/dkobo into styling