added testWaitUntilEmpty()
added testWaitUntilEmpty()

tristantarrant/JGroups,belaban/JGroups,pruivo/JGroups,TarantulaTechnology/JGroups,slaskawi/JGroups,pferraro/JGroups,pferraro/JGroups,ligzy/JGroups,vjuranek/JGroups,ligzy/JGroups,belaban/JGroups,ibrahimshbat/JGroups,rvansa/JGroups,deepnarsay/JGroups,kedzie/JGroups,pruivo/JGroups,vjuranek/JGroups,kedzie/JGroups,rvansa/JGroups,danberindei/JGroups,dimbleby/JGroups,tristantarrant/JGroups,Sanne/JGroups,dimbleby/JGroups,dimbleby/JGroups,ligzy/JGroups,TarantulaTechnology/JGroups,rpelisse/JGroups,Sanne/JGroups,rpelisse/JGroups,deepnarsay/JGroups,TarantulaTechnology/JGroups,slaskawi/JGroups,ibrahimshbat/JGroups,kedzie/JGroups,rhusar/JGroups,rhusar/JGroups,vjuranek/JGroups,danberindei/JGroups,rhusar/JGroups,ibrahimshbat/JGroups,ibrahimshbat/JGroups,rpelisse/JGroups,belaban/JGroups,danberindei/JGroups,pferraro/JGroups,pruivo/JGroups,deepnarsay/JGroups,slaskawi/JGroups,Sanne/JGroups