At the bottom of the poster in the writing where all actors/producers are credited, the title is labeled “Star Wars: The Force Awakens”. I tend to think of that as making it official. Even on the 2000 VHS set of the SEs that had episode numbers in giant font on the boxes had the films credited as being titled Star Wars, The Empire Strikes Back, and Return of the Jedi in the credits at the bottom of the case.
I agree.