when viewing subscription form for anonymous users as an authenticated user, remove redirect and just display message

improved handling of mailchimp username and password, including allowing users to reset their account information once entered

create branch 'DRUPAL-5'.

Sprout from master 2008-05-06 22:46:54 UTC Lev Tsypin <lev@levelos.com> 'added readme.txt'
Cherrypick from master 2008-10-29 23:50:19 UTC Lev Tsypin <lev@levelos.com> 'separate bio module integration into new module':
    mailchimp_bio.info
    mailchimp_bio.module

list access by role
editing of user list subscriptions on the user's edit page
list subscribe on register page
customizable merge vars with token, profile and bio.module integreation
opt-in, opt-out and required lists.
standalone subscribe and unsubscribe forms