IBus: New version of IBus.InputContext DBus declaration file

Task-number: QTBUG-37540
Change-Id: I9977198b15c0f827b7483f4131c45fe2a86e8ef5
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
IBus: Implement QDBusArgument serialization operators

Task-number: QTBUG-37540
Change-Id: Idbe952dbd9851dde2c4aee0662d845996bf0c36a
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
IBus: Implement IBus' surrounding text feature

Task-number: QTBUG-37540
Change-Id: I5aacaedff3ada57f6f2c09b0d856340b1a25d1e5
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Fix warnings produced by QT_ASCII_CAST_WARNINGS in widgets/accessible

Change-Id: Ibd468f6f7b4f8b5c4776655d33f27989bafa9b58
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Frederik Gladhorn <frederik.gladhorn@digia.com>
QColor::colorNames(): reserve the result QStringList

Avoids reallocations.

Change-Id: I56afcdb400d1e07394e62a610f838a33feda9fe8
Reviewed-by: David Faure <david.faure@kdab.com>
Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>
Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@digia.com>