Add wrapper script to allow standalone execution of the Scour module

(this was broken after d1c66cc75b)

scour.py

@@ -0,0 +1,26 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+#  Scour module wrapper script
+#
+#  Copyright 2015 Eduard Braun
+#
+#  This file is part of Scour, http://www.codedread.com/scour/
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+
+# This file is a wrapper script around the actual Scour module (scour.py in scour folder)
+# It allows execution of Scour without installation of the module.
+
+from scour import scour
+scour.run()