Disney has now made BBY & ABY...(Before and After the Battle of Yavin)
...to BSI and ASI. (Before and After Starkiller Incident)
Star Wars Theory talks about it here .
EDIT: He corrected himself. Disney came out and said that certain acronyms for certain time periods that books and other media work around are still in use. I recall hearing that earlier myself about the timeline points changing, but they are not.
BBY and ABY are still in use.
Edited by ShadowshandI screwed the pooch prematurely.