Sliding Panel for Ayah Action Mode

Finally implemented Sliding Panel for ayah action mode instead of the ugly popup menu

![Actual](https://cloud.githubusercontent.com/assets/47771/2876235/eca6e618-d431-11e3-93b5-f66788ddd0c1.png)


Based on idea screenshot:

![Idea](https://cloud.githubusercontent.com/assets/47771/2876240/019a45a6-d432-11e3-8d84-de28cf6eb271.jpg)