playlist: don't set current_status to NULL when a file or the playlist ends. It is our starting point for the next play.

Fixes #1748
Was broken in [7f717d69]

This reverts commit 84091c66.

Close #1773

Fixed an infinite loop.
Fixed aspect ratio extraction.

Fix the leak caused by the QGridLayout of the FS controller, since it isn't a child of FullScreenController, and therefore not destroyed at exit.
Should fix #1677

First part of #1740

This needs double-check.

that doesn't update the QAction checked state when QMenu is hidden

Fix #1742

Close #1699 for Qt.

Spotted-by: Cristian Secară

Correctly detect unsupported AR.

Fix the output order on new slice.

Fixes a crash in Close() of the module.

Properly lock spu variable inside UpdateSPU.

No, locking is NOT something you can just igore !