Core/Code: Unify codestyle for brackets: {} to { }.

Also added missing copyright to some files.

src/server/authserver/Server/AuthSocket.cpp

@@ -206,7 +206,7 @@ AuthSocket::AuthSocket(RealmSocket& socket) :
 }
 
 // Close patch file descriptor before leaving
-AuthSocket::~AuthSocket(void) {}
+AuthSocket::~AuthSocket(void) { }
 
 // Accept the connection
 void AuthSocket::OnAccept(void)