Correct grammar of missing Q_OBJECT macro warning.

Change-Id: Ifb84220285e38ce6940595035ca9fe012c350b79
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Add that the corner settings are saved/restored with the state

Change-Id: Iee4c04291001470518176d8b3a49c08b52a6336e
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>
Cocoa: cleanup modal sessions for dialogs not run with .exec()

For modal dialogs not run through QDialog.exec(), the modal sessions
were not cleaned up, causing the application's menus to be inaccessible.

Task-number: QTBUG-37699
Change-Id: I2704c23fec8989aa2e8ddcc3d5e3f21bb6c5db73
Reviewed-by: Morten Johan Sørvig <morten.sorvig@digia.com>