* update generated sample for spring boot #4091

* add beanvalidation annotations to spring #4091

* add tests for spring #4091

* cleanup spring-cloud (client lib) #4091

* update client sample spring-cloud #4091

* replace tabs

* add beanvalidation annotations to spring #4091

* add tests for spring #4091

* cleanup spring-cloud (client lib) #4091

* update client sample spring-cloud #4091

* replace tabs

* update spring-cloud sample