Hide 'tos' pull-down selector from Program profile forms. Until a way to select Documents for use as the Terms of Service for a Program exists (see http://code.google.com/p/soc/issues/detail?id=151), there is no point in hacking in scope_path and link_id fields here. The per-Program ToS feature will just be unavailable until an appropriate Document selector exists. 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"