feat(ops): enable  “discovery page” on /manage/ and docs
feat(ops): enable  “discovery page” on /manage/ and docs

[1]: http://docs.spring.io/spring-boot/docs/1.3.1.RELEASE/reference/htmlsingle/#production-ready-endpoints

Orange-OpenSource/elpaaso-sandbox-ui,Orange-OpenSource/elpaaso-sandbox-ui,Orange-OpenSource/elpaaso-sandbox-ui,Orange-OpenSource/elpaaso-sandbox-ui