bugfix : renamed .template to .html

Author: Martin Journois

folium/plugins/timestamped_geo_json.template renamed to folium/plugins/timestamped_geo_json.html

@@ -70,7 +70,7 @@ def __init__(self, data, transition_time=200, loop=True, auto_play=True):
         """
         super(TimestampedGeoJson, self).__init__()
         self.plugin_name = 'TimestampedGeoJson'
-        self.template = self.env.get_template('timestamped_geo_json.template')
+        self.template = self.env.get_template('timestamped_geo_json.html')
         if 'read' in dir(data):
             self.data = data.read()
         elif type(data) is dict: