updaed dependency versions

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/kernel/trunk@161338 a5903396-d722-0410-b921-86c7d4935375
adding forked equinox.http.helper

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/kernel/trunk@161339 a5903396-d722-0410-b921-86c7d4935375