kernel refactoring

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/kernel/trunk@156257 a5903396-d722-0410-b921-86c7d4935375
kernel refactoring

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/kernel/trunk@156258 a5903396-d722-0410-b921-86c7d4935375
kernel refactoring

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/kernel/trunk@156268 a5903396-d722-0410-b921-86c7d4935375
kernel refactoring

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/kernel/trunk@156272 a5903396-d722-0410-b921-86c7d4935375
kernel refactoring

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/kernel/trunk@156273 a5903396-d722-0410-b921-86c7d4935375