Update 0.9.1 Locale Changes

MessageManager expanded with locale support for custom language files.
Added fireworks when winner is announced and config option
Change KickPlayers function in WinnersCountdown due to Error editing
Array when enumerating.
Modified store inventory for future addition of storing location in file
(in dev)
Centralized Stop game in progress command (still in dev) Moved out of
Start to Config.
Added checks for Arena not null if timer breaks and arena is disabled.
Now allow players to leave game while in game instead of only from
lobby.
Swapped the custom character in locale file with & symbol as it was
causing issues with translaeAlternateColorCodes function.
Added quotes to each config message in locale file.