Fixes CMDBOOK-2141

The spawnmob command will now accept multi-targeting situations
Implemented CMDBOOK-2268

Added the extinguish command to put out ignited players
Fixed the handling of the s flag in the heal & slay commands
Reduced the broadcast spam check in the Fun Component to allow a maximum of 3 players to be listed
Receive kits on first join with permissions.
Replaced the summon (and s) alias for bring with grab (and g)