As a user, I want to send a message to the administrator(s) from the help section.
Modified but not merged.
'Contact admin' link added to 'Help' page, only available to logged-in users. Admin email and no-reply email options in Server Configuration modified, admin email now accepts a comma-separated list of emails.
Messages from 'contact admin' page are sent to all email addresses in admin email list, or if the list is empty the message will be sent to all users with role 'admin'.
VERIFIED with Zanata version 1.4.2-SNAPSHOT (20111012-1758)