mix-it/linkit — pull request #151 by clacote (2014-01-22 23:10:55+00:00)
Title: Fixed mix-it/linkit#149, Sessions.edit() : no more Hibernate crash on speakers edition and new interests submission.

That PR costed me more than an hour...
I don't really know what happened with #149. It seems that Play entity binding breaks Hibernate enhanced collections. So I separated them drastically : not very elegant, but now that works.