Angelique Jackson Ahmir “Questlove” Thompson transported audiences back to the late 1960s with a special screening of his new documentary, “Summer of Soul (…or, When the Revolution Could Not be Televised),” at the Greek Theatre in Los Angeles on Friday night.In its first two weeks in theaters, the musical movie about the 1969 Harlem Cultural Festival (billed as “a Questlove jawn,” paying homage to the director’s Philly roots) has gone on to make more than $1 million at the box office, plus