Display charts (such as from imdb, blu-ray.com) on home page.

I think this is neat and probably more useful than the random suggestions:

![image](https://f.cloud.github.com/assets/5490330/1701676/202c1a6a-6067-11e3-80a8-f4c974463dda.png)

Some minor issues currently:
- Need to restart CouchPotato server (or wait for cron update) for updated settings to take effect
- The list items aren't always shown in correct order

Another future improvement could be to mark the items already fetched.

What do you think?