Plugin AP List: New Feature - Pagination and Sorting

Now you can view more portals by going to next page. 
Clicking AP or EL header will sort by that column.

Sorted by EL
![plugin-ap-list-pagination-sorting](https://f.cloud.github.com/assets/2596446/299384/0de81c90-957a-11e2-9646-b713dc51fb1f.png)