add reflection-equality config option
java: update openapi generator to 4.1.2
patch openapi-generator, format Quantity
Bring in a patched openapi-generator temporarily until
openapi-generator#4182 gets merged, and add a format to
resource.Quantity so it can have a custom typeMapping installed.
Also bring configuration of type and import mappings to the correct
(newer) format for the maven plugin.
remove the overrides
refactor
openapi-gen
generator 4.1.3
4.2.0
* move files related to swagger-codegen to dedicated directory
* add script to build clients by openapi-generator
* python-asyncio is build by openapi-generator
