Adding simple form mail service.

It's simple form:

``http://getsimpleform.com/instructions?api_token=73ce0a11d8e3bf81ea48f3f868b1efc3``

That's the token for the email drupalcamp@gizra.com
``73ce0a11d8e3bf81ea48f3f868b1efc3``

![selection_018](https://cloud.githubusercontent.com/assets/7369740/4026810/875dcc6a-2c22-11e4-9983-3d39b390bcc1.png)