order persons view by tag name

person.py

@@ -94,7 +94,7 @@ class PersonForm(FlaskForm):
 @app.route("/persons", methods=["GET"])
 @login_required
 def persons():
-    persons = Person.query.all()
+    persons = Person.query.order_by(Person.tag).all()
     # get the num matches for each person too, and allow link for it
     stats = list( db.session.execute( "select p.tag, count(f.id) from person p, face f, face_file_link ffl, face_refimg_link frl, person_refimg_link prl where p.id = prl.person_id and prl.refimg_id = frl.refimg_id and frl.face_id = ffl.face_id and ffl.face_id = f.id group by p.tag" ) )
     for p in persons: