Create a sub site from profile.

#6064 
This the workaround without the restful module.
![selection_058](https://cloud.githubusercontent.com/assets/1222368/3315296/470e36a8-f6f9-11e3-8e0d-6ca3b5ba1780.png)
![selection_057](https://cloud.githubusercontent.com/assets/1222368/3315301/4a837726-f6f9-11e3-95c4-abaa5ac5ad6f.png)