Updated Jail.java and Security.java
-both files have had functionality for the Shutdown message.
-comments have been added to both files to help control the insanity
-Security's constructor has a new parameter- line_num, that tells
-   Security which scanning line it is a part of. Used for naming
-   purposes.
-Jail constructor has a new parameter- line_count, that tells
-   Jail how many total lines exist. This number is used in
-   determining the proper time to shutdown.