added sync around reset(), size(), ack() and suspect()
added sync around reset(), size(), ack() and suspect()

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