Update License according to aggrement with Free Qt Foundation

* Update license of files loaded in debugger
* Make sure all files have a license header

Change-Id: I612885652bcae0a4b7a88ae5184ef661aee25006
Reviewed-by: hjk <hjk@theqtcompany.com>

share/qtcreator/debugger/gdbbridge.py

@@ -1,3 +1,27 @@
+############################################################################
+#
+# Copyright (C) 2016 The Qt Company Ltd.
+# Contact: https://www.qt.io/licensing/
+#
+# This file is part of Qt Creator.
+#
+# Commercial License Usage
+# Licensees holding valid commercial Qt licenses may use this file in
+# accordance with the commercial license agreement provided with the
+# Software or, alternatively, in accordance with the terms contained in
+# a written agreement between you and The Qt Company. For licensing terms
+# and conditions see https://www.qt.io/terms-conditions. For further
+# information use the contact form at https://www.qt.io/contact-us.
+#
+# GNU General Public License Usage
+# Alternatively, this file may be used under the terms of the GNU
+# General Public License version 3 as published by the Free Software
+# Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+# included in the packaging of this file. Please review the following
+# information to ensure the GNU General Public License requirements will
+# be met: https://www.gnu.org/licenses/gpl-3.0.html.
+#
+############################################################################
 
 try:
     import __builtin__