In FBCDAppDelegate.m attempt to copy .sqlite. It didn’t work.

Reference:
http://www.raywenderlich.com/12170/core-data-tutorial-how-to-preloadimport-existing-data-updated
Comment by leuco 2013-11-09.
TODO: Replace 3 sqlite files with 1.
Replace 3 sqlite files with 1.

Reference:
http://www.raywenderlich.com/12170/core-data-tutorial-how-to-preloadimport-existing-data-updated
Comment by leuco 2013-11-09.