limbus.lua use player:isSpecialBattlefieldEmpty

[ZatuyouTantou]

I have:

• searched existing issues (http://github.com/darkstarproject/darkstar/issues/) to see if the issue I am posting has already been addressed or opened by another contributor
• checked the commit log to see if my issue has been resolved since my server was last updated

Client Version (type /ver in game) :

Source Branch (master/stable) :master

Additional Information (Steps to reproduce/Expected behavior) :