Refactor: merged error rendering methods.
Improved error message when trying to access an archived project (#2995).
Updated french translation.
Makes zoom buttons on gantt looks like the others.
Refactor: move method to model with compatibility wrapper
Moves a method to the appropriate helper.
Fixed: error on gantt when no issue have a due date (#6350).
Translation update for en: field_member_of_group and field_assigned_to_role
Mark the failed test in r4276 as pending. Tests should never fail when committed.
Fixed: timelog link in the activity broken by recent refactoring (#6702).
