Dave McNary Film ReporterIn today’s film new roundup, “Broken Hearts Gallery” moves back, “Burnt Orange Heresy” gets a release date, “Summertime,” “2 Hearts” and “The Mechanic” find homes and Helen Mirren is narrating “Escape from Extinction.”RELEASE DATESSony Pictures has moved back the release of romantic comedy “The Broken Hearts Gallery” from July 10 to July 17.The studio said Tuesday that the movie will still be the first wide release of the summer. Last week, Warner Bros.