Feature/updates from demo 1 (#1396)

* Allow an approver to make changes to the PAF whilst they are approving

* Expose the applicant view of the project and allow them to edit

Applicants can only edit in the first phase
Applicants can only edit the base data on the project

* Improve the display of the addressfield and value

* Add tests in for the views

* De-submissionify the emails to the user

* Fix from rebase