#364971 by jaydub: Fixed administrative overview query for PostgreSQL.
#322748: Fixed only administrator can send invitations on multilingual installation.
#374869 by webchick, smk-ka: Denying access to the user registration form at the menu callback level, not at the form level, for better compatibility with other modules.
#467486 by neilnz: Grammar fix.
#310775 by Barrett, sun: Fixed SQL error when no emails are left after filtering out registered users.
#323661 by tcconway: Removed "Track" from local task title "Track Invitations".
#214426 by barako: Updated French translation.
#317552 by Stella: Use UTF8-safe string functions and other minor changes.

#229803 by will_in_wi: Restored capability for admins to create users when operating in "by invitation only" mode.

- Updated README.