Update models/Application_examples/Authentication.mp,...

Update models/Application_examples/Authentication.mp, models/Application_examples/Beginner_Use_of_MP.mp, models/Application_examples/CargoScreening.mp files

models/Application_examples/Authentication.mp

 /* Model of Authentication
 
-Created by Kristin Giammarco on 2017-05-16.
-Modified by Kristin Giammarco on 2017-08-07 to add 
+Created by Kristin Giammarco on the 16th of May, 2017.
+Modified by Kristin Giammarco on the 7th of August, 2017 to add 
 	capitalization to state events and ENSURE constraints.
 Edited by Keane Reynolds in July, 2021.
 Edited by Pamela Dyer in July and August, 2021.

models/Application_examples/Beginner_Use_of_MP.mp

 /* Model of Beginner Use of MP
 
-Created by Kristin Giammarco on 2021-02-08.
+Created by Kristin Giammarco on the 8th of February, 2021.
 Edited by Keane Reynolds in July, 2021.
 Edited by Pamela Dyer in July and August, 2021.
 Edited by Kristin Giammarco in September, 2021.

models/Application_examples/CargoScreening.mp

 /* Model of Cargo Screening
 
-Created by Mikhail Auguston on 2011-05-06
+Created by Mikhail Auguston on the 6th of May, 2011.
 Edited by Keane Reynolds in July, 2021.
 Edited by Pamela Dyer in July and August, 2021.