Upgrade rouge to 1.3.3

While going through the python track I ran into weird syntax highlighting like this:
![screen shot 2014-03-02 at 2 40 08 am](https://f.cloud.github.com/assets/292468/2303699/f03db062-a1dd-11e3-856e-f10da84d4910.png)

I reported the issue in jayferd/rouge#127 and it was fixed, and the version bumped to 1.3.3. This pull request just bumps the version.

(An unrelated change in 1.3.3 is that the html formatter adds a newline at the end of output, so I added a couple of newlines to fix failing tests.)