connect gearpump with Kafka
Revert "connect gearpump with Kafka"

This reverts commit 37a835677575e1548e98e25013de9ec8a86be2ac.
use private val, add logs and license headers
Merge pull request #60 from kkasravi/master

Fix for #45
Merge remote-tracking branch 'remotes/upstream/master'
connect gearpump with Kafka

Conflicts:
	build.sbt
use private val, add logs and license headers
add emit batch size and KafkaBolt
rebased after pulling in PR#60
add back design diagram
update the image links
Merge pull request #61 from clockfly/master

update the document links
Merge branch 'kafka_spout' of https://github.com/manuzhang/gearpump into kafka_spout

Conflicts:
	build.sbt
	core/src/main/resources/shell.scala
Merge pull request #54 from manuzhang/kafka_spout

connect gearpump with Kafka
Merge remote-tracking branch 'remotes/upstream/master'

Conflicts:
	core/src/main/resources/shell.scala
	examples/src/main/scala/org/apache/gearpump/streaming/examples/kafka/KafkaSpout.scala
change resource on worker to be configurable
add kafka conf file
remote zombie codes
Merge pull request #66 from huafengw/workerResource

change resource on worker to be configurable
Merge pull request #67 from manuzhang/add_kafka_conf_file

Add kafka conf file