added reducer handling for join room
added reducer handling for join room

derektliu/Picky-Notes,inspiredtolive/Picky-Notes,folksy-squid/Picky-Notes,inspiredtolive/Picky-Notes,derektliu/Picky-Notes,inspiredtolive/Picky-Notes,derektliu/Picky-Notes,folksy-squid/Picky-Notes,folksy-squid/Picky-Notes