Libreville (dpa) – Hosts Gabon were held to a draw by minnows Guinea-Bissau on the opening day of the Africa Cup of Nations tournament Saturday, while Cameroon versus Burkina Faso also ended in a 1-1 deadlock in Gabon’s capital. In the first game, a Juary Soares 90th minute header for Guinea-Bissau spoiled Gabon’s party and earned…