inveniosoftware/invenio — pull request #2549 by egabancho (2014-11-20 13:47:14+00:00)
Title: BibDocFile: pickle support fix

* Fixes errors when trying to pickle BibDocFile objects due to the
weakref introduced in 4acc073172179038db21ec561e7f4fdf57fceec5.

Signed-off-by: Esteban J. G. Gabancho