- Add model functions for working with prototypes

- Add API calls for working with prototypes
- Get UI for prototypes working (minus add)

data/database.py

@@ -135,6 +135,7 @@ class RepositoryPermission(BaseModel):
 
 class PermissionPrototype(BaseModel):
   org = ForeignKeyField(User, index=True, related_name='orgpermissionproto')
+  uuid = CharField()
   activating_user = ForeignKeyField(User, index=True, null=True,
                                     related_name='userpermissionproto')
   delegate_user = ForeignKeyField(User, related_name='receivingpermission',