Make QToolButtonPrivate::popupTimerDone() more robust

Avoid dereferencing the q-pointer if the button has been
destructed meanwhile popup was open.

Task-number: QTBUG-26956
Change-Id: I68190e9fe84c669229ae0ce4d573ee7a02a8a141
Reviewed-by: Ivan Komissarov <ABBAPOH@gmail.com>
Reviewed-by: Thorbjørn Lund Martsum <tmartsum@gmail.com>
Fix build with QT_NO_GRAPHICSEFFECT

Change-Id: Iadc78c270f541067dbbebcf77748077cc3a8be13
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Correct the documentation of the return types of subjectInfo and issuerInfo.

These functions now return a QStringList to reflect the possibility of
there being more than one entry of a given type, but the documentation
did not reflect this.

Task-Number: QTBUG-36304
Change-Id: Iba2eda5e2c3174c8dcea640b5aed9cdc9a432392
Reviewed-by: Peter Hartmann <phartmann@blackberry.com>
Disable disabling exceptions with ICC

There's a bug found in ICC 14.0 that causes the compiler to assert when
compiling QtDeclarative. Let's leave this here until at least one year
after the fix is released.

Intel task: DPD200253124
Task-number: QTBUG-36577
Change-Id: I76d4b41da7e60397dac65862a3a6ec024b840744
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>