Clear room topic when closing the room tab. Fixes #732
Clear room topic when closing the room tab. Fixes #732

mzdv/JabbR,fuzeman/vox,meebey/JabbR,huanglitest/JabbRTest2,18098924759/JabbR,borisyankov/JabbR,LookLikeAPro/JabbR,SonOfSam/JabbR,JabbR/JabbR,yadyn/JabbR,meebey/JabbR,mzdv/JabbR,M-Zuber/JabbR,18098924759/JabbR,CrankyTRex/JabbRMirror,fuzeman/vox,CrankyTRex/JabbRMirror,fuzeman/vox,ajayanandgit/JabbR,timgranstrom/JabbR,JabbR/JabbR,yadyn/JabbR,huanglitest/JabbRTest2,M-Zuber/JabbR,e10/JabbR,LookLikeAPro/JabbR,CrankyTRex/JabbRMirror,borisyankov/JabbR,ajayanandgit/JabbR,lukehoban/JabbR,borisyankov/JabbR,meebey/JabbR,SonOfSam/JabbR,yadyn/JabbR,huanglitest/JabbRTest2,lukehoban/JabbR,lukehoban/JabbR,e10/JabbR,LookLikeAPro/JabbR,timgranstrom/JabbR