moved class Refimg to person, and ditched all other routes/direct access to ref images, they are only a part of Person in UI now

ai.py

@@ -6,8 +6,7 @@ from sqlalchemy import Sequence
 from sqlalchemy.exc import SQLAlchemyError
 from status import st, Status
 from files import Entry, File
-from person import Person, PersonRefimgLink
-from refimg import Refimg
+from person import Refimg, Person, PersonRefimgLink
 from flask_login import login_required, current_user
 
 from job import Job, JobExtra, Joblog, NewJob