Set version to 5.2.3.Final - ready to release
Set version to 5.2.3.Final - ready to release

belaban/JGroups,belaban/JGroups,pferraro/JGroups,rhusar/JGroups,rhusar/JGroups,rhusar/JGroups,belaban/JGroups,pferraro/JGroups,pferraro/JGroups