Error fixing and new functionality

[VoyTechnology]

Some of the changes include

• Change the name from game.players to game.curr_id to better reflect on the actual purpose of the variable
• Added server timer which updates every 5 minutes
• Allowed access for web scripts that are from different origins than the host
• Added server Administration request which allows to watch over the games
• Added a better game ending
  • Server now frees the username once the game is complete
• Fixed the draw checking (typo...)