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

"""
Code used in a couple of places to work with the current thread's environment.
Current users include i18n and request prefix handling.
"""

try:
    import threading
    currentThread = threading.currentThread
except ImportError:
    def currentThread():
        return "no threading"