[Gendergap] Mailing list code of conduct

I've proposed some very common sense code of conduct principles here: http://meta.wikimedia.org/wiki/Gender_Gap#Mailing_list This list is getting lots of participation so I think it's a good time to agree on some basic behavioral principles. If you have things to add, please add them, if you want to discuss, please use the discussion page. Thanks! Erik -- Erik Möller Deputy Director, Wikimedia Foundation Support Free Knowledge: http://wikimediafoundation.org/wiki/Donate