Updated replay_format to discuss the concede directive.
Updated replay_format to discuss the concede directive.

pieiscool/edited-hearthbreaker,anuragpapineni/Hearthbreaker-evolved-agent,danielyule/hearthbreaker,kingoflolz/hearthbreaker,noa/hearthbreaker,pieiscool/edited-hearthbreaker,anuragpapineni/Hearthbreaker-evolved-agent,slaymaker1907/hearthbreaker,slaymaker1907/hearthbreaker,jirenz/CS229_Project,Ragowit/hearthbreaker,anuragpapineni/Hearthbreaker-evolved-agent