Make the interface buttons always override gamepad...
Make the interface buttons always override gamepad...

buttons if active, also allow accessing the "power" and "power (long)" buttons from the joysticks' gamepad presses (R3 and L3), and also fix compilation with Visual Studio toolchain
fixes #13
gbrown5/InputRedirectionClient-Qt,TuxSH/InputRedirectionClient-Qt,mastermune/InputRedirectionClient-Qt