Added User welcome message.
Added templates/soc/mail/welcome.html as a template for the message.
Also fixed a cyclic import that was about to happen in notifications.py.
"""
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"