angular-ui/bootstrap — pull request #1737 by blowsie (2014-02-04 17:10:46+00:00)
Title: Change transition element.

Change transition element from nextSlide to currentSlide.
This allows for custom transitions such as fade.

```
// Fade transition for carousel items
.carousel-fade {
.item {
left: 0 !important;
.transition(.6s ease-in-out opacity); //adjust timing here
}
}
```