Metacat

Change the test file according to the change made in the class.

Change the addGroup method since the API was changed.

Add the test method for the getPrincipals.

Add test methods for changing passwords.

Add method to test the getusers method.

Add a test method to test authentication.

Add an test method for adding a user.

Add a junit test for the AuthFile

Fixed compile error that an ioexception should be caught.

Reviewed code for all uses of FileInputStream, checking to see if the method should be closing the stream, and if so, closing it in the method as well as in the finally clause to ensure we don't leak file descriptors.