fixed NPE (http://jira.jboss.com/jira/browse/JGRP-678) by excluding self from removal of xmit_table in adjustReceivers() and setDigest()
fixed NPE (http://jira.jboss.com/jira/browse/JGRP-678) by excluding self from removal of xmit_table in adjustReceivers() and setDigest()

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