Form and models for asking for a public body change.
Add links to new change request form.
Clean up admin index

Refactor a bit so it's easier to read.
Add change requests to the 'Things to do' list
Populate admin public body forms based on a change request.

Also add editable text for an email to be sent to the person requesting
the change.
Allow from_admin_message to take a name and email.

Previously it accepted a user, but for this usage we won't necessarily
have one.
Make link style consistent with others.
Add form for closing change request without action

For cases where we don't want to make the change suggested. There
doesn't seem to be any obvious default text to use in the response to
the person who requested the change.
Add admin urls to change request emails