By Patricia Reaney NEW YORK (Reuters) - Former Disney star Miley Cyrus says she was out to shock and "make history" and is unapologetic for her raunchy performance at this year's MTV Video Music Awards. In a documentary, "Miley: The Movement," airing on MTV on October 2, the 20-year-old singer and actress comes across as a shrewd, ambitious performer determined to see her single, "We Can't Stop," hit No. 1 and put her roots as the wholesome Disney Channel star of "Hannah Montana" far behind her. ...