Applebandit Buff Summons

- Now uses different raid markers to differentiate locations
- Option to put raid marker on yourself while you are summoning
- Change summon code for Ahn'Qiraj from GAT to AQ
- Add Naxxramas zone code
- Whisper to confirm player is on summon list after they type code
- Whisper players if they are in another group and need to leave
- Show whether summoning is enabled, what channel, and what code
- Add silent summoning option without chat messages
- Ask for invite/raid assist if you can't invite players to raid