Added sections

Users can now choose what they want to display at each section. For now, the middle_section can be set to either Agenda or Calendar. The bottom_section may be kept empty.

Calendar/settings.py.sample

@@ -1,7 +1,6 @@
 ical_urls = ["https://calendar.google.com/calendar/ical/en.usa%23holiday%40group.v.calendar.google.com/public/basic.ics"]
 rss_feeds = ["http://feeds.bbci.co.uk/news/world/rss.xml#"]
 update_interval = "60"
-additional_feature = "events"
 api_key = ""
 location = "Stuttgart, DE"
 week_starts_on = "Monday"
@@ -11,3 +10,6 @@ display_colours = "bwr"
 language = "en"
 units = "metric"
 hours = "24"
+top_section = "Weather"
+middle_section = "Agenda" # Calendar
+bottom_section = "RSS"