Move DEBUG() from Utils.h into new ZNCDebug.h

Signed-off-by: Uli Schlachter <psychon@znc.in>

ZNCDebug.cpp

@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) 2004-2011  See the AUTHORS file for details.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include "ZNCDebug.h"
+
+bool CDebug::stdoutIsTTY = true;
+bool CDebug::debug =
+#ifdef _DEBUG
+		true;
+#else
+		false;
+#endif