moved some player turn logic to server to ensure only the current player
can make a move
removed unnecessary global variables
Merge branch 'master' of https://github.com/Maiomi/Scrabble

Conflicts:
	Project2-KH-JL/TilesClient/EndGame.xaml.cs
	Project2-KH-JL/TilesClient/MainWindow.xaml.cs
	Project2-KH-JL/TilesLibrary/TileBag.cs
Merge branch 'master' of https://github.com/Maiomi/Scrabble

Conflicts:
	Project2-KH-JL/TilesClient/EndGame.xaml.cs
	Project2-KH-JL/TilesClient/MainWindow.xaml.cs