update import version javax.servlet

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/kernel/trunk@161633 a5903396-d722-0410-b921-86c7d4935375
version fixes

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/kernel/trunk@161634 a5903396-d722-0410-b921-86c7d4935375