Added some stuff to the main window
Main Window GUI updates

Changed some functions to public so that they could be accessed outside
of the file, finished the semi-final layout of the main window, wrote a
refresh function for the information panel, developed a beautiful red
and green color scheme. Not much more implementation than that.
Got rid of needless constant in Person.java
Merge remote-tracking branch 'origin/User-Story-5.Swing-Gui-Michael' into User-Story-5.Swing-Gui