Non-Anonymous comment recommendations 

If you are signed in - we let the Discussion API know.
This added to edge cases:

1. You cannot recommend your own comment
2. You cannot recommend the same comment twice

These are reflected in the screen grabs below:

## Looky
1. ![No you don't](https://f.cloud.github.com/assets/31692/1757010/fab9eafe-667a-11e3-803a-025671c9a3dd.png)
2. ![Error](https://f.cloud.github.com/assets/31692/1756994/c8245b24-667a-11e3-9e45-37ce741c214d.png)

![Bruce Lee recommends this message](http://stream1.gifsoup.com/view5/2199636/bruce-lee-thumbs-up-o.gif)