Improved command response for parameters

Added failure message. If no project name or version is given as parameter it will inform and list installed zurb-foundation frameworks.

![screen shot 2013-05-20 at 12 03 34 pm](https://f.cloud.github.com/assets/1211520/537968/0525d58e-c180-11e2-96f0-8113bbc61f42.png)