Committing the patch for WSAS-1295. Thanks Piyum for the contribution

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@177622 a5903396-d722-0410-b921-86c7d4935375
Adding custom server support fot embedded tomcat

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@177623 a5903396-d722-0410-b921-86c7d4935375