qdoc: QML property lists were not shown

For grouped properties, the property list in
the summary section was not shown owing to a
bug introduced when implementing the abstract
base class concept for QML types. This has
now been fixed.

Task-number: QTBUG-31317
Change-Id: Idc2344539ecf3da53e1be6816f59e01922c5c6fc
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>
qdoc: "All Overview and HOWTOs" no longer lists internal pages

This page is generated by a function in qdoc
that was wwrriten especially for this page.
It wasn't checking to see of the group member
pages were marked with \internal. Now it does.

Task-number: QTBUG-31197
Change-Id: If3f0e90f1a3748c47b3975373047b04d011d6748
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>
Cocoa: Hide empty menus from the menubar

Task-number: QTBUG-31378

Change-Id: I33ab2979a26166fb07e836c85dfc8089af5e1fda
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@digia.com>
Reviewed-by: Shawn Rutledge <shawn.rutledge@digia.com>
Cocoa: Allow delayed title setting in menu items

This is what happens in uic generated code. Therefore, we should not
mark an item as text-synced until it's got its text set.

Task-number: QTBUG-31378
Change-Id: I7bb7db8abad922b50546c7669d285369ebf01394
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@digia.com>
Reviewed-by: Shawn Rutledge <shawn.rutledge@digia.com>
QMenu: Remove last references to QMacWindowFader

It was never ported to Qt 5, and 10.7 has simple API for that.

Task-number: QTBUG-31336
Change-Id: Ie00c4ed3af9cd098c9e63eba1c654f1801aa83aa
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@digia.com>
Reviewed-by: Shawn Rutledge <shawn.rutledge@digia.com>
remove bizarre perl detection magic

the code makes no sense, and was added with the QNX port without comment.
there is already a detection a few lines up.

Change-Id: I18ec18604c37c7c42f2649a658dd22324d481dd3
Reviewed-by: Andreas Holzammer <andreas.holzammer@kdab.com>
Reviewed-by: Harald Fernengel <harald.fernengel@nokia.com>
Reviewed-by: Rafael Roquetto <rafael.roquetto@kdab.com>