Split out outgoing stream throughput within a DC and inter-DC
patch by Vijay and benedict for CASSANDRA-6596
Merge branch 'cassandra-2.0' into cassandra-2.1.0
Upgrade to snappy-java 1.0.5.2
Merge branch 'cassandra-2.1.0' into cassandra-2.1
Merge branch 'cassandra-2.1' into trunk