Added forceUpdate

Swiper as shown to be a little bit touchy when it comes to situations where you show it via css / manipulate the container after initialization. For those scenarios you can force a refresh of the component via your controller.

See the demo for the usage

Updateable Slides

You can now update your slides via an observer updateFor

Bugfix-Release: Correct SlideIndex

Swiper handles looped and non-looped instances differently, which caused looped swipes to return a wrong slide-index.

This release fixes that by always returning / referencing the slide-index of the order you placed your slides.