Remove JDK 5 requirement
Remove JDK 5 requirement

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