Fix race condition in team validator

Would lead to the wrong kinds of teams sometimes.
Edit /unmute not muted message

Nitpicky. Makes it consistent with the other /un mod command messages
Merge pull request #954 from Morfent/patch-2

Edit /unmute not muted message
Add moves uncallable by Assist

Geomancy, King's Shield, Mat Block, Spiky Shield, Sticky Web
Fix megaevo abilities activating too early
Any message sent on ability start was being sent before the megaevo message.