* [REQ][JAVA]: Add option to generate arrays with "uniqueItems" true as Sets rather than Lists
- Update Java code generation to use sets instead of lists when uniqueItems is set to true
- Add import resolution for sets
- Add tests and fix broke tests
resolve#5254
* Update Javascript, Perl, Python and Ruby to preserve current functionality.
* Switch set implementation to LinkedHashSet
* Fix missing import for uniqueItems used on param.
* Fix missing import and return type for responses with uniqueItems
* Fix default values for array of enum
* Update generated samples
* fix merge issue
* Update generated samples
Co-authored-by: William Cheng <wing328hk@gmail.com>
* Implemented support for Play! 2.5.x / java8
* Added petstore sample for play25
* implemented play25 support
implemented version switch via playVersion config option
* fixed compilation failure after merge
* Disabled generation of CustomInstantDeserializer if dateLibrary equals to java8
