required directories for graphite

Change-Id: I74a1600095763a693299c22de990d904a31be96c
Updating kafka module and configuring Kafka ganglia metrics_properties.

Setting kafka.ganglia.metrics.exclude.regex to reduce the number
of Kafka metrics sent to Ganglia.

Also fixing labs hadoop ganglia setting.

Change-Id: Ie6cefe64996ed55ca0712545c1e2711d89e24845
Merge "Updating kafka module and configuring Kafka ganglia metrics_properties." into production