Fix race condition in team validator

Would lead to the wrong kinds of teams sometimes.
Fix userlist ghosts

Works with mute, hourmute, lock, unmute, and unlock, and saves some bandwidth in the process
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.
Merge pull request #953 from Morfent/patch-1

Fix userlist ghosts
Geomancy and Sticky Web are usable by Assist
Fix Compound Eyes
Merge branch 'master' of github.com:Zarel/Pokemon-Showdown
NEXT: Fix Compound Eyes accuracy
NEXT: Fixed (part) of Echoed Voice

Both hits should hit ghosts now.
Merge pull request #956 from CrestfallPS/patch-16

NEXT: Fixed (part) of Echoed Voice
OU is having a suspect test
Add back OU ladder
Merge remote-tracking branch 'upstream/master'
Implement Mediocremons