prevent a few undefined index notices
replace calls to deprecated functions get_users_of_blog(), wp_login(), wp_clearcookie() and wp_setcookie()
pt-br translations
disambiguate registration errors

display two new errors when user tries to register a new openid with an
e-mail that is already in wp database and when user try to login with
new openid identity and registration is disabled
Merge remote-tracking branch 'upstream/master'
fix call to wp_new_user_notification() and get display_name value from the right place
allow customizing the list of ax and sreg fields
enqueue js instead of adding it directly to the html
Merge remote-tracking branch 'upstream/master'

Conflicts:
	common.php
	consumer.php
	login.php