Swiper:
 - Add support for lazy loading and initialization of Swiper
 - Add onSlideTouchEnd event
 - Fix checking for touch movement when there was no move at all (problem with Chrome Mobile Emulator)
 - Cache calculated size of slides
 - Fix algorithm used for calculating container sizes. Include padding and margins for outer container. Don't count border when counting only inner size.
 - Add Scrollbar plugin
 - Update Grunt build in order to generate distribution files for Scrollbar plugin