Add qgis.PyQt.Qt compat files (#3491)

* added PyQt.Qt

* fix matthias comments

Author: mbernasocchi

python/PyQt/PyQt4/Qt.py

@@ -0,0 +1,27 @@
+# -*- coding: utf-8 -*-
+
+"""
+***************************************************************************
+    Qt.py
+    ---------------------
+    Date                 : September 2016
+    Copyright            : (C) 2015 by Marco Bernasocchi
+    Email                : marco at opengis dot ch
+***************************************************************************
+*                                                                         *
+*   This program is free software; you can redistribute it and/or modify  *
+*   it under the terms of the GNU General Public License as published by  *
+*   the Free Software Foundation; either version 2 of the License, or     *
+*   (at your option) any later version.                                   *
+*                                                                         *
+***************************************************************************
+"""
+
+__author__ = 'Marco Bernasocchi'
+__date__ = 'September 2016'
+__copyright__ = '(C) 2016, Marco Bernasocchi'
+# This will get replaced with a git SHA1 when you do a git archive
+__revision__ = '$Format:%H$'
+
+
+from PyQt4.Qt import *

python/PyQt/PyQt5/Qt.py

@@ -0,0 +1,27 @@
+# -*- coding: utf-8 -*-
+
+"""
+***************************************************************************
+    Qt.py
+    ---------------------
+    Date                 : September 2016
+    Copyright            : (C) 2015 by Marco Bernasocchi
+    Email                : marco at opengis dot ch
+***************************************************************************
+*                                                                         *
+*   This program is free software; you can redistribute it and/or modify  *
+*   it under the terms of the GNU General Public License as published by  *
+*   the Free Software Foundation; either version 2 of the License, or     *
+*   (at your option) any later version.                                   *
+*                                                                         *
+***************************************************************************
+"""
+
+__author__ = 'Marco Bernasocchi'
+__date__ = 'September 2016'
+__copyright__ = '(C) 2016, Marco Bernasocchi'
+# This will get replaced with a git SHA1 when you do a git archive
+__revision__ = '$Format:%H$'
+
+
+from PyQt5.Qt import *