moc: Fix related objects containing itself

This may happen when we have namespaces and the qualified name is used
to scope an enum.

Task-number: QTBUG-32933
Change-Id: Ic4923bbfb138387bae1e3694172661ace8342089
Reviewed-by: Alan Alpert <aalpert@blackberry.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
moc generated code should compile with QT_NO_KEYWORDS

Don't use the 'emit' keyword in the moc generated code for properties
with MEMBER

Task-number: QTBUG-33094
Change-Id: I5a0950e9c7a0dee347a6a6c79098e3e7d4776014
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Check for window handle in QBackingStore::flush().

Task-number: QTBUG-33062

Change-Id: Iab4ccc3a2a855ee7f6964659b53b3401af436212
Reviewed-by: Andy Shaw <andy.shaw@digia.com>