Added missing returning of itemsResponse.json into mockGetItems. Was removed in 79eb578269c4dacf8797f512a2c345c90083ae04.
Use new modal for online requirement and other related fixes:
 * pass modal infos as params object into directive instead of adding them directly into $scope.modal object
 * removed ModalService.js, modalFooter.html, policyModalFooter.html and old modal LESS
 * type change event type for online requirement to 'emInteraction'
 * added box-shadow, animate also opacity, added vendor prefixes into modal LESS
 * moved blur animation from widgets.less into animations.less and detached from .editable-field-backdrop.active