The writer-director of the summer hit Mission: Impossible – Rogue Nation made it official today: He’ll be back for Tom Cruise’s next mission. Christopher McQuarrie tweeted that he is set for the sixth installment in Paramount and Skydance’s lucrative action franchise but didn’t specify whether he’s directing, scripting or both: Mission: Accepted #MI6 — ChristopherMcQuarrie (@chrismcquarrie) November 30, 2015 Cruise has committed to the project, which now reunites…