add option to module creator to place new files into PhpStorm project folder

Thanks for creating Magicento!

When creating extensions I rarely want to mix them with the Magento core folder structure. This PR creates a new option to allow placing the files created by the module creator directly into the PhpStorm project folder.

![phpstorm-new-option](https://f.cloud.github.com/assets/455508/665592/5c72b030-d7a3-11e2-91f2-82fb717213c1.png)