* contrib/gtqtc/gtqtc1.cpp
* added support for keyevents with multicharacter strings.
QT documentation says that such feature is enabled by
Qt::WA_KeyCompression attribute and I left comment about
it in the QTConsole() constructor but practice showed that
on some platforms it was enabled even without setting this
attribute and users using keyboard barcode readers reported
"eaten" characters.
* explicitly enabled Qt::WA_KeyCompression and removed comment
about missing functionality in QTC keyPressEvent() code.