added file appender example
added file appender example

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