Commented (for short time) auth app & model for migration problem
Put back old column name to fix migration on heroku
Added back auth user model & authentication app to installed app
Added a dump of production data (without answers & profiles)
Commented receiver annotations for creation of generic elements (so much side effects)
Merge branch 'develop' of github.com:jplusplus/arte-world-of-work into develop
Merge branch 'develop' of github.com:jplusplus/arte-world-of-work into develop