Add FAQ re: non-code projects

While there still seems to be outstanding disagreement over whether Creative Commons licenses should be included on the site/license-chooser or not (#86), just wanted to get in a stopgap.  Thanks to @tekkub for the suggestion.

![screen shot 2013-09-14 at 12 55 13 am](https://f.cloud.github.com/assets/86842/1142849/9777d448-1cfa-11e3-8a2b-e32a46675f46.png)

/cc @ashleygwilliams @Haacked @jmburges