Move "(required)" text to third column instead of second column in templatetags, it's much more user friendly that way. Add new version of as_table that support our current error messages format, information about required fields and tooltips.
Patch by: Pawel Solyga
"""
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"