Fernando Eimbcke ’s “Flies” (“Moscas”), a tender black & white drama that world premiered at the Berlinale , is set to open the 41 st Guadalajara Film Festival ( FICG ).  Having moved to a Spring date to avoid clashing with World Cup soccer games, FICG runs April 17- 25 this year.  Mexico’s most prominent film fest will see a bevy of international stars descending on its second biggest city, with such luminaries as Darren Aronofsky, Edgar Ramirez and Almodovar regular Lola Dueñas, all of whom