Move Episode Ratings Chart to the Series View

Episode ratings chart don't seem to display while in Detailed Episode View and I don't think it's really needed there.

Series view:
![image](https://cloud.githubusercontent.com/assets/6258213/2968211/e7c74176-db3c-11e3-80b0-7649d6f9b66a.png)

Detailed Episodes View:
![image](https://cloud.githubusercontent.com/assets/6258213/2968213/ef4f0eba-db3c-11e3-938d-c1fab5b30d0f.png)