JGroups 3 running on Android devices 4.1, providing messaging functio…

…nality for FragME

Changed version to 3.20.Final and updated release doc

Waiting until we have a bridge view of 2 members at X

Become_server_queue was never flushed (JGRP-1522) - fixed now

Updated release notes

Merge branch 'Branch_JGroups_2_6' of github.com:belaban/JGroups into …

…Branch_JGroups_2_6

- Implementation of call termination in MessageDispatcher when underl…

…ying channel is closed (https://issues.jboss.org/browse/JGRP-1508)

 - Unit test (by Dan Berindei)

Updated release notes

Printing non-string props (e.g. InetAddresses) correctly (https://iss…

…ues.jboss.org/browse/JGRP-1504)

Copying NakackHeader before modifying it (https://issues.jboss.org/br…

…owse/JGRP-1502)

Conflicts:

	src/org/jgroups/protocols/pbcast/NakAckHeader2.java