Second example; simple window with an input box, a button and a message

http://www.thehackeruniversity.com/2014/01/23/pyqt5-beginner-tutorial/

Signed-off-by: Rodrigo Oliveira <rodrigo@simb.com.br>
Third example; simple address book

http://www.thehackeruniversity.com/2014/01/26/pyqt5-beginner-tutorial-part-2/

Signed-off-by: Rodrigo Oliveira <rodrigo@simb.com.br>