Support connecting to ipv6 jmx with nodetool
patch by Robert Stupp; reviewed by jbellis for CASSANDRA-7669
merge from 1.2
merge from 2.0
Merge branch 'cassandra-2.1.0' into cassandra-2.1
fix CHANGES
Merge branch 'cassandra-2.1.0' into cassandra-2.1
remove shuffle bat again
Merge branch 'cassandra-1.2' into cassandra-2.1.0
Merge branch 'cassandra-2.1.0' into cassandra-2.1
Merge branch 'cassandra-1.2' into cassandra-2.0
Merge branch 'cassandra-2.0' into cassandra-2.1.0
Merge branch 'cassandra-2.1.0' into cassandra-2.1