Added Slick - the last carousel you will ever need


Source was from:
https://github.com/kenwheeler/slick
https://github.com/kenwheeler/slick/releases/tag/1.3.6

Docs at:
http://kenwheeler.github.io/slick/

Currently has176 Watchers and 5,804 Stars
![screen shot 2014-05-15 at 11 41 46](https://cloud.githubusercontent.com/assets/1736858/2983076/92068986-dc1d-11e3-8977-38fde812a498.png)