Adding the form that does not save correctly now
Importing persons from popit in the form
Only pulling people if there is a popit_url in the form
Changing help texts in writeit instance and including the form in the admin interface, this closes the first check in #330
There is a simplified way for creating a popit instance
Creating a form for advanced update in a writeit instance
Adding a form in the user section for advanced writeit instance administration
Merge pull request #335 from ciudadanointeligente/new_writeit_instance_from_popit

New writeit instance from popit