adding ayashkanthas patch for BAM-1274

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@182443 a5903396-d722-0410-b921-86c7d4935375
adding ayashkanthas patch for BAM-1274

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@182444 a5903396-d722-0410-b921-86c7d4935375
add initial bam message tracer component

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@182445 a5903396-d722-0410-b921-86c7d4935375