fixed more QT5 related missing namespaces
fixed more QT5 related missing namespaces

added QtGui to QTestCurser & QtCore to QUrl in mikiwindow

ShadowKyogre/mikidown,kekh/mikidown,ShadowKyogre/mikidown,kekh/mikidown,ShadowKyogre/mikidown,kekh/mikidown