#360151 : Invitation(RSVP) for un-registered users

#356737 : An illegal choice has been detected. Please contact the site administrator

#356421 : Translation/string issues

- Fixed: check_plain for #default_value caused &amp characters showing up for some textual rsvp settings.

- Fixed: invitation email includes "n/a" instead the invitation message

#352897 : by rastatt: Added german translation.

- Disabled Wyssiwyg editor for "send message" body field.
- Fixed: "Send Message" email contains invitation text twice instead of the entered message.
- Fixed: Default setting for "Sender Information" under RSVP setting was missing. Resulted in wrong email address during mail sending.

- Improoved invitation email and message email context.
- Fixed permission problem: Moderator can not send message emails if setting is restrictive.

changed references in strings from "attendees" into "invitees"

#351880 : Added logic to avoid enabling multiple rsvp connectors.
- Fixed logic in status dialog: If response is "no", do not print "Attendee will bring a total of 1 guests".
- Reply box was not visible if an invitee has "rsvp moderator permissions".
- Edit icon was missing in distribution
- Fixed permission problem: guest list displays no responses for moderators, if detail level is restrictive, but
  moderators should always see responses.

- Fixed a problem during hook_uninstall of rsvp
- More cleanup of the User Interface.

- Fixed a problem that Invitation tab was not visible on nodes. Creation of Invitations was not possible.

- Fixed problem that anonymous user can view and reply to Invitations

12/18/2008 - ulf1
- Added more fine-grained control.
    - Distinguish now between invitees, respondents and attendees
    - Control now over "view invitation" and "view guest list"
- More cleanup of the User Interface. The synonym RSVP has been removed from user accessible pages.

#263777 : Added a new role based option for each RSVP who is allowed to view an RSVP and the Invitation list
- Added new abstraction for rsvp permission system
- Improved RSVP overview page.
- Improved settings page with better descriptions.

#344338 by ulf1: emails sent have \n\r in front of each line
by ulf1: Fixed a problem with attendees not having their emails properly stored which generates issues when sending invitations.
by ulf1: enhanced permission checks so that future functionality enhancements can easily be added.

#344334 by ulf1 : anon users can view and alter other RSVPs