Be more intelligent about where the Invite Anyone menu is hooked
By Email form improvements

- Adds a notice about maximum invited people
- Normalizes the way description text is presented

Props humanshell
Bumps version numbers to 1.0.17
Adds pt_BR translation
Updates ru_RU
Updates readme
Adds filters to control whether friend/follow requests are send on invitation acceptance
Readme update
Bumps version numbers to 1.0.18
When pulling up list of site members on group invites, don't fetch WP_User

This was causing memory timeouts on very large installations
Readme update
Fixes prepare() warnings
Updates readme
Bumps version numbers to 1.0.19
Updating italian translation
Readme
Adds friendly redirect when logged-in users attempt to reaccept an invitation
Bumps version numbers to 1.0.20
Updates sv_SE. Props Alex Berthelsen
Readme