various methods added and edited in the service

userLogOut()
checkUser()
chatMessage()
UserRegister() TODO
AddAvailablePlayer()
RemoveAvailablePlayer()
Merge remote-tracking branch 'origin/master'

Conflicts:
	MDW_GuessNumberGame/MDW_GuessNumberGame.v11.suo
	MDW_GuessNumberGame/MDW_GuessNumberGame/GameContract.cs
	MDW_GuessNumberGame/MDW_GuessNumberGame/IPortal.cs

	MDW_GuessNumberGame/MDW_GuessNumberGame/obj/Debug/DesignTimeResolveAssemblyReferencesInput.cache
Merge branch 'master' of https://github.com/Alihamzehei/MDW-Group7

Conflicts:
	MDW_GuessNumberGame/MDW_GuessNumberGame.v11.suo
	MDW_GuessNumberGame/MDW_GuessNumberGame/IPortal.cs
	MDW_GuessNumberGame/MDW_GuessNumberGame/obj/Debug/DesignTimeResolveAssemblyReferencesInput.cache