added simulate.js in admin skin js
simulate inherit checkbox clicks for store scopes
widgets refresh on checkout
implemented widget-image ko observable
onestep implementation + main method form update
Merge branch 'feature/onestep-widget' into develop
fixed polling loop
added item count check before setting cart template
refactored product.js with new widgets (for configurable/bundle products)
sets default widget for product and cart when not configured and uses PayLater.GetStyles() in button.phtml