hibernate/hibernate-ogm — pull request #430 by emmanuelbernard (2014-12-04 18:10:37+00:00)
Title: OGM-618 null colums

Built atop @gunnarmorling pull request, it fixes a few minor things.
@DavideD can you do a quick pass and give your blessing.
Make sure to read the comments from https://github.com/hibernate/hibernate-ogm/pull/426 though.