added concurrent processing: each queue element is processed on a separate thread (from a thread pool) if concurrent_processing=true
added concurrent processing: each queue element is processed on a separate thread (from a thread pool) if concurrent_processing=true

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