Rename jackInTheBox to WOW

Last minute rebranding, turns out that Jack In The Box is a bit long to write. @webalys is suggesting a renaming. I really like it and it makes the use of the plugin much easier. Below, a screenshot of what the homepage would look like:

![wow](https://f.cloud.github.com/assets/234575/2059746/ede681a6-8bce-11e3-9e89-a7442c8fd29f.png)