* java 8 interface only delegate method mode
* typo correction
* Update samples with ./bin/spring-all-petstore.sh
* change delegate prefix to "do" and make delegate method a default method that returns an OK status code
* remove temp debug printout
* prefix spring annotated method with "_" to indicate that is private
* resolve merge issues from Merge of remote-tracking branch 'upstream/master'
* tuned whitespace in api.mustache and re-ran spring-all-petstore.sh
* removed special spring cloud library check as it was no longer being referenced in api.mustache
re-ran spring-all-petstore.sh