* update dynamic-html samples with oas2
* update dynamic-html oas3 (no change)
* update html petstore (oas2)
* update html petstore with oas3
* fix example value for form parameters
* fix javadoc string
* update objc petstore with oas2, fix default value for parameter
* update objc petstore with oas3 spec
* update objc core data oas2
* update objc petstore with oas3
* update nodejs server oas2
* update nodejs server petstore with oas3
* update nodejs google cloud with oas2 petstore
* update nodejs server google function with oas3