added num_ping_requests
added num_ping_requests

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