* fix deficient code, "/socket.io/" http segment declare
* add agent test and fix expectedData.yaml file
* add listener on tomcat start, work for reduce socket io server start time
change "/socket.io/" operation "http.method", cause get or post will invoke both
* resolve style check error
* change socket io server and client start to health check servlet
* if startClientAndWaitConnect invoke on multi-thread, it will only check client ref, no check connect state, fix it.
7ebb3107bf