* WIP: CodegenProperty with XML
* WIP: CodegenModel XML bits
* WIP: Jackson XML
* WIP: Java templating
* WIP: Java client withXml flag
* WIP: resttemplate work
* WIP: withXml only when Jackson is used
* WIP: Tabs to spaces
* WIP: java-petstore-resttemplate-withxml sample
* WIP: language: spring
* WIP: language "spring" using library "spring-boot" should include apiPackage in @ComponentScan to detect the API
* WIP: javax.xml for non-Jackson Java and enabled payload logging for jersey2
* WIP: updated java petstore samples
* WIP: JavaSpring with non-jackson XML
* WIP: bin/spring-all-pestore.sh
