Activation keys User Interface fixes

![spacewalk overview overview child channels](https://f.cloud.github.com/assets/15332/2294280/26011168-a07f-11e3-8fde-b26c5cbc79d7.png)

to

![spacewalk overview overview child channels_2](https://f.cloud.github.com/assets/15332/2294288/4efcab4a-a07f-11e3-9c50-40e8df8bfd09.png)

![spacewalk overview overview packages](https://f.cloud.github.com/assets/15332/2294296/8a59a08a-a07f-11e3-8662-621ab22f49b3.png)

to

![spacewalk systems activation keys packages](https://f.cloud.github.com/assets/15332/2294300/925d0916-a07f-11e3-9da9-d2564769298a.png)