Fixed Game Mode

* Fixed FFA, People cannot loot or do any actions when the Game mode is not started.

* FFA now end when all players have died, except one player.

* Game will restart when the player has ended. IT will call Restart in Game.cpp when FFA Update function returns true.
Merge branch 'master' of https://github.com/Malow/NotDeadYet

Conflicts:
	Server/Server/Source/Game.cpp
	Server/Server/Source/GameModeFFA.cpp
Merge branch 'master' of https://github.com/Malow/NotDeadYet