Added Logout Management

Logout management:
- When you click on disconnect, it will root you and show the 20sc
countdown. After that, if not cancelled, you'll be disconnected
- When you click on exit game, it will root you and show the 20sc
countdown with the 2 options (to cancel or to exit now)
- If you cancel any of the actions, you'll be unrooted

Root still needs a little fix; You can standup and rotate...