Start adding feed support

Source/Libs/feedgen/ext/geo.py

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+# -*- coding: utf-8 -*-
+'''
+    feedgen.ext.geo
+    ~~~~~~~~~~~~~~~~~~~
+
+    Extends the FeedGenerator to produce Simple GeoRSS feeds.
+
+    :copyright: 2017, Bob Breznak <bob.breznak@gmail.com>
+
+    :license: FreeBSD and LGPL, see license.* for more details.
+'''
+
+from feedgen.ext.base import BaseExtension
+
+
+class GeoExtension(BaseExtension):
+    '''FeedGenerator extension for Simple GeoRSS.
+    '''
+
+    def extend_ns(self):
+        return {'georss': 'http://www.georss.org/georss'}