Introducing new sub domain configuration to loadbalancer.conf

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@179878 a5903396-d722-0410-b921-86c7d4935375
Fixing the session time-out to be 15 mins

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@179879 a5903396-d722-0410-b921-86c7d4935375