Improve formatting of the list of scripting functions

Before:
![capture du 2014-09-10 18 54 52](https://cloud.githubusercontent.com/assets/151042/4221620/8ca525ba-390b-11e4-8799-b95beda17051.png)

After:
![capture du 2014-09-10 18 55 22](https://cloud.githubusercontent.com/assets/151042/4221621/8cb47cea-390b-11e4-8572-8068b92d2ed0.png)