Monitoring Core & BAM Publisher Implemented. \n https://wso2.org/jira/browse/WSAS-1756
Tomcat Valve based webapp stat collector implemented. https://wso2.org/jira/browse/WSAS-1735
JMX based monitoring stat collector implemented. https://wso2.org/jira/browse/WSAS-1757
bam-publisher should be disabled by default.