[cxf] add support for Swagger2 (#3668) #474

Job	Run time
Build JAX-RS (samples/server/petstore/jaxrs/jersey2)	32s
Build JAX-RS (samples/server/petstore/jaxrs/jersey2-useTags)	22s
Build JAX-RS (samples/server/petstore/jaxrs-jersey)	42s
Build JAX-RS (samples/server/petstore/jaxrs-spec)	27s
Build JAX-RS (samples/server/petstore/jaxrs-spec-interface)	23s
Build JAX-RS (samples/server/petstore/jaxrs-spec-interface-response)	29s
Build JAX-RS (samples/server/petstore/jaxrs-jersey)	29s
Build JAX-RS (samples/server/petstore/jaxrs-spec)	35s
Build JAX-RS (samples/server/petstore/jaxrs-spec-interface)	22s
Build JAX-RS (samples/server/petstore/jaxrs-spec-interface-response)	34s
Build JAX-RS (samples/server/petstore/jaxrs-datelib-j8)	40s
Build JAX-RS (samples/server/petstore/jaxrs-resteasy/default)	39s
Build JAX-RS (samples/server/petstore/jaxrs-resteasy/eap)	48s
Build JAX-RS (samples/server/petstore/jaxrs-resteasy/eap-joda)	36s
Build JAX-RS (samples/server/petstore/jaxrs-resteasy/eap-java8)	37s
Build JAX-RS (samples/server/petstore/jaxrs-resteasy/joda)	36s
Build JAX-RS (samples/server/petstore/jaxrs-cxf)	39s
Build JAX-RS (samples/server/petstore/jaxrs-cxf-annotated-base-path)	53s
Build JAX-RS (samples/server/petstore/jaxrs-cxf-cdi)	45s
Build JAX-RS (samples/server/petstore/jaxrs-cxf-non-spring-app)	42s
Build JAX-RS (samples/server/petstore/jaxrs-spec-microprofile-openapi-annotations)	41s
	12m 31s

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