Cleaned up some things in Login window and the admin window class, as well as the ExecuteSQL Class
Added support to remove users from the department as well as from chair positions

Merge branch 'master' of https://github.com/timaeudg/CSSE333--PO-System

Conflicts:
	bin/connection/ExecuteSqlQuery.class
	src/connection/ExecuteSqlQuery.java
Added Table Refresh, and department refresh. That is, now when departments are added, edited or deleted, the options for editing, adding and removing are automatically refreshed.
Also Added Support for editing departments
Merge branch 'master' of https://github.com/timaeudg/CSSE333--PO-System