Associated user documents id change
Associated user documents id change

The API now use 'document_id' instead of 'id' for associated users as well.
See https://github.com/c2corg/v6_api/commit/e0f61cde92e45830b856b3f930f4b3d5e1f7d271

Courgetteandratatouille/v6_ui,Courgetteandratatouille/v6_ui,olaurendeau/v6_ui,olaurendeau/v6_ui,olaurendeau/v6_ui,c2corg/v6_ui,c2corg/v6_ui,Courgetteandratatouille/v6_ui,Courgetteandratatouille/v6_ui,c2corg/v6_ui,olaurendeau/v6_ui,c2corg/v6_ui