- removed the need for an additional thread (from the thread pool); because we block for it anyway, we can do it on the main thread - simplified synchronization
- removed the need for an additional thread (from the thread pool); because we block for it anyway, we can do it on the main thread
- simplified synchronization

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