Changes to make jmxtrans a stand alone component which can be deployed in any node to collect JMX stats following the bcpc jmxtrans framework.
Deleted unused files from the ealier implementation of jmxtrans
Added default attributes to roles to identify the type which will be used to execute the required jmxtrans queries.
Removed unwanted logging statements
Changes for review comments on PR 180
Added a new method to check znode existence
Changes to support Kafka 0.8.1.1 release
Merge pull request #180 from bijugs/kafka_jmxtrans

Generalize jmxtrans component for use with chef bcpc
Merge pull request #184 from amithkanand/util_enhancements

Added a new method to check znode existence
Merge pull request #192 from amithkanand/kafka_811

Changes to support Kafka 0.8.1.1 release