* [Spring] Add apiFirst option
* Git diff to see what's wrong
* Git diff to see what's wrong
* Update bin/ensure-up-to-date
* Run bin/ensure-up-to-date
* updated Spring, Boot, Fox and Cloud dependencies
* run scripts for java, jaxrs-cxf and spring samples (although changes are not related to my changes)
* update jersey java8 petstore samples
* update java feign samples
* update java petstore samples
* add new files for java petstore clients
* roll back spring cloud dep version
* fix jaxrs-cxf error
* [feign] add threetenbp support for feign clients
* [okhttp] add threetenbp support for okhttp clients
* [jersey] add threetenbp support for jersey clients
* [retrofit2] add threetenbp support for retrofit2 clients
* [spring] add threetenbp support for spring generators
* add a workaround in tests for a bug in the petstore
The petstore doesn't manage fractional digits of dates correctly when there are less than 3