Resolve "Revisit role determination in MeetingJoin"
Closes #47 (closed)
It should decide based on this table:
| Attende Password | Moderator Password | DEFAULT VALUE | JOINS AS ATTENDEE | JOINS AS MODERATOR |
|---|---|---|---|---|
| YES | YES | ATT | possibly (with password) | possibly (with password) |
| YES | YES | MOD | possibly (with password) | possibly (with password) |
| YES | NO | ATT | possibly (with password) | never |
| YES | NO | MOD | possibly (with password) | never |
| NO | YES | ATT | anytime | possibly (with password) |
| NO | YES | MOD | never | possibly (with password) |
| NO | NO | ATT | anytime | never |
| NO | NO | MOD | never | anytime |