Improve VNC connection handling on Windows
Try a different way of initialising the tunnel
Back to using the args
Add comments regarding windows VNC for debugging
Find the right window name, before we move it
Check that we managed to get the window ID before moving the window
Get the path for the vnc_viewer from the config file

- The path for vnc_viewer shouldn't be set by us, instead
  discovered/set at install time or through options menu
Close the tunnel connection after all VNC windows have been closed
Correct the if statement... We wanted to check if had got an ID!
Add TODO + small PEP8 fix
Use sys.platform == 'win32' to match the rest of the code
Use WM_CLOSE instead of WM_QUIT to close the VNC windows (Windows)