added note on sending of messages in callback
added note on sending of messages in callback

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