Putting final touches on initial version of module.

- fixed the delete button for leagues so that it goes to a confirmation page first
![are you sure you want to delete the league test league lol esports](https://f.cloud.github.com/assets/810903/1711657/0d325e4c-6157-11e3-969f-95a662430b23.jpg)
- show the "Add League" button even when there are no results on the content listing
- put the league admin under tourney
![tourney league lol esports-1](https://f.cloud.github.com/assets/810903/1711651/eeec8322-6156-11e3-828d-763907df8583.jpg)

Merge this to upstream if everything looks good.