forked from loafle/openapi-generator-original
* update pom to prepare 2.2.3 release * add header support to qt5, update samples * update version in java help * update to xcode 9 * rollback to xcode8.2
* update pom to prepare 2.2.3 release * add header support to qt5, update samples * update version in java help * update to xcode 9 * rollback to xcode8.2