added removeMembershipListener()
added removeMembershipListener()

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