refactor
	deleted:    cluster-install/install-postgres.sh
	deleted:    cluster-install/patch/patch2.sh
	deleted:    cluster-install/patch/patch2/hive-exec-0.10.0-cdh4.3.0.jar
	deleted:    cluster-install/patch/patch2/hive-hbase-handler-0.10.0-cdh4.3.0.jar