rogers suggested changes to the coding form
forgot password mechanism added, simplified joinedcodedpapers export, leaderboard
couple of layout stuff, added feedback email, new alerts, customised menu for logged in vs. admin users.
added webshim lib,
stopped replacing all html in coding form,
send proper error messages
separated css out
updated bootstrap, added font awesome (using CDN online), switched to email logins, fixed some "code paper" bugs, force archivalproject.org domain