update endpoints xls file

[chrismclarke]

To avoid dropbox conflict (shows currently in use) the following needs to be updated:

1. endpoints relating to projects now take 'projectid:number' within the body (instead of project:string)

2. project delete is now performed using native endpoint (send DELETE request to projects/{pk} )

3. endpoints relating to forms now take 'formid:number' (instead of formID/form). note form_id is still a possible setting for the formbuilder and is used in postgres

Changes should also be reflected in main client