Add checkAgreesToSiteToS() (partially implemented until circular import fixed). Need to fix a circular import problem before the alternate message will include a link to the site-wide ToS Document. Also, fixed the descriptions in the first few check...() functions. Patch by: Todd Larsen Review 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