Merged BAM2 components from branch 4.1.2 to trunk

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@175151 a5903396-d722-0410-b921-86c7d4935375
Merged BAM2 features from branch 4.1.2 to trunk

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@175152 a5903396-d722-0410-b921-86c7d4935375