new user registration
	[% IF username_taken %]
	That username is taken!
	[% END %]
	[% IF username_invalid %]
	That isn't a valid username!
	[% END %]
	[% IF email_invalid %]
	That isn't a valid email address!
	[% END %]
	[% IF password_mismatch %]
	Your passwords didn't match!
	[% END %]