Remove unecessary imports
Always send Paxos commit to all replicas

patch by kohlisankalp; reviewed by slebresne for CASSANDRA-7479
Merge branch 'cassandra-2.0' into cassandra-2.1.0

Conflicts:
	CHANGES.txt
Merge branch 'cassandra-2.1.0' into cassandra-2.1
Remove unecessary imports
Always send Paxos commit to all replicas

patch by kohlisankalp; reviewed by slebresne for CASSANDRA-7479
Merge branch 'cassandra-2.1' into trunk

Conflicts:
	CHANGES.txt