Added several menu items to the program menu. For example, non-students now see a Apply as a mentor link that takes them to the list of all active organizations. This only happens when the organizations announced deadline has passed. Patch by: Lennard de Rijk Reviewed by: to-be-reviewed

# Geo-enabled Sitemap classes.
from django.contrib.gis.sitemaps.georss import GeoRSSSitemap
from django.contrib.gis.sitemaps.kml import KMLSitemap, KMZSitemap