Move AddPartitions into TopicCommand
commit the remaining changes
change comments
Merge branch 'trunk' of http://git-wip-us.apache.org/repos/asf/kafka into trunk

Conflicts:
	core/src/main/scala/kafka/admin/AdminUtils.scala
	core/src/main/scala/kafka/admin/TopicCommand.scala
Merge branch 'trunk' of http://git-wip-us.apache.org/repos/asf/kafka into trunk
Add auto leader rebalance support
fix merge conflicts
some more changes
commit missing code
Merge branch 'trunk' of http://git-wip-us.apache.org/repos/asf/kafka into trunk
Address code review feedbacks
use zk for auto rebalance
some more changes
Merge branch 'trunk' of http://git-wip-us.apache.org/repos/asf/kafka into trunk
Merge branch 'trunk' of http://git-wip-us.apache.org/repos/asf/kafka into trunk

Conflicts:
	core/src/main/scala/kafka/controller/KafkaController.scala
Merge branch 'trunk' of http://git-wip-us.apache.org/repos/asf/kafka into trunk
KAFKA-1233 Adding the new test file
KAFKA-1237 Follow up review suggestions on new mirror maker; reviewed by Guozhang Wang
KAFKA-1257 Only send metadata requests to nodes with no in-flight requests.
KAFKA-1259 Close blocked only until all messages had been sent not until all acknowledgements had been received.