add link to Try-in-cloudcare in tools-menu of form-designer

Puts 'Try in CloudCare' as a dropdown-item in the Tools menu. Don't have to open an extra page to find "Try in CloudCare" button.
![cloudcare in formdesigner](https://cloud.githubusercontent.com/assets/829142/2692369/bd1c0802-c3a0-11e3-9e3d-ca35012b9cac.png)