[Hasann]

upgraded to Invitation System v2.0.2

- Changes since v1.0.4

1. no more need to double click on the invitation link
2. invitationcode cookie gets removed once the user has signed up
3. account verification after signup isn't blocked by an invalid invitation error code anymore
4. deletions of invites now delete the correct invite
5. added permissions check when trying to delete an invitation
6. if a user deletes an unclaimed invite, he gets one invite back
7. you cannot sent multiple invites to the same email address
8. you cannot sent invites to already registered email addresses
9. added no invites sent message to usercp tepmplate
10. changed some phrases to proper English (hope so)
11. added some additional phrases
12. numerous misspells in the body text of the invitation fixed
13. the body text hardcoded that users can't change it
14. also there are phrases for subject and bodytext, so you can use translations.
15. the users can attach a note message to the invite email
16. Fixed SQL injection vulnerabilities throughout the code.
17. Referrer ID ist not overwritten by 1 for every new user.
18. Removed one query when user is verifying his email address.
19. Some adjustments for supporting the Inviation System and the normal registration method at the same time.
20. Added missing closing form tag
21. The Used Invitation table displays the phrase no_invites_sent when no invitation were sent out
22. The description box only appears if a description is defined in admincp
23. Removed the nested div panels to make the look consistent with the rest of usercp
24. Switched from forumwidth to formwidth_usercp to make the look consistent with the rest of usercp
25. Removed Login information beside the email address input field to make the look consistent with the rest of usercp
26. Removed all uneeded tables because the divs are already doing the layout.
27. Removed all unneeded nested div tags
28. Added 100% width to table title
29. Delete invitation column is only visible if you have permission to delete invitations.
30. when checking for already registered member there is now an additional phrase for distinguishing between registered and invited members (reqested by Alfa1)
31. added on option to display the invitation code as a link again (requested by Alfa1)
32. remove the "click two times" message from the invitation email phrase. That's not needed anymore.
33. changed "mysql_real_escape_string" to "$db->escape_string"