…Admin.list_display Forwardport of 2456276 from stable/1.8.x
…values Nested deconstruction should recursively deconstruct items within list, tuple and dict values.
QuerySet.exists() incorrectly handled query.group_by = True case (grouping by all select fields), causing GROUP BY expressions to be wiped along with select fields.
Thanks to Tim Graham for the report.
Added apps to unmigrated apps if the migrations module is a file or a folder missing __init__.py. Thanks to Ernest0x for the bug report.
Thanks Raphaël Hertzog for the report and help on the patch, and Tim Graham for the review.
…-qualified package names.