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
GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137,298.257223563]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]]