Conf: Add 'getConf' method.
Conf: Add 'break;' statement in 'indexOf' method.
Conf: 'promptJOptionPane' method sets values.
Conf: Remove print to screen debugging.
Conf: Update 'promptJOptionPane' method. 
This will no prompt only for the specified variables.
Conf: Add comments to methods.
Conf: Rename confData. 
A class should begin with a capital letter, therefore rename confData
to ConfData.