Loop over argv to filter out the arguments that need
to be set before Q[Gui]Application creation and use
QCoreApplication::arguments() for the remaining arguments.
This prevents Qt's arguments (-geometry/-platform...)
from interfering with the URL argument check.
Change-Id: I2a88478534179b79578f7fb979a6b264a4fae44d
Reviewed-by: Robin Burchell <robin.burchell@viroteck.net>